broward county includes fort lauderdale. florida is repepting at least 12 cases, in all more than 51 people have been infected in 12 states and the district of lumbia. conditions in the sunshine state are especially conducive to zika. mark strassmann is there. >> reporter: zika anxiety pushed teams of mosquito-contntl sprayers into florida today. florida's hot, humid client puts its 20 million residents at risk for the virus along with millions more trists. governor rick scott. >> we're state that has mosquitoes similar to mosquitoes that could carry this, so it's better to get ahead of it. >> reporter: scott has asked the centers for disease control or c.d.c. to rush 1,000 zika testing kits here. the state will buy 4,000 more. testing would focus on pregnant women who are especially vulnerable. the virus has been linked to a birth defect calledd babies are born with abnormally small heads and brains. there is no zika vaccine and no antidote. dr. walter tabachnick, an expert infnftious diseases. >> i think we have to take this so seriously that we must do everything possible to reduce the chances of getting zika. >> reporter:r:loridians often live with standing water where mosquitoes breed, but residents are being urged to get rid of it, inside inflower vases and water tanks, and outdoors in empty pails, clogged gutters or wherever water pools. the c.d.c. has advised pregnant women to postpone traveling to 30 countries and territories, including mexico. >> i'm 16 weeks prereant. >> reporter: erica benstock declared her own state of emergency. she has canceled her trip next month to cancun, where she was supposed to be matron of honor her sister's wedding. >> now that it's in the state of florida, how far is it going to for everybody who isn't traveling? >> reporter: because you could stay home. >> and still get it. >> reporter: 8 8 of zika patients show no symptoms. scott, it's likely there are many more cases than the official numbers indicate. >> pelley: mark strassmann in tampa tonight. mark, thank you. the c.d.c. says zika is spreading in these 26 countries and territories in the americas. in addition to mosquitoes, it's transmitted through sex, and we learned today blood transfusions. dr. jojolapook has been reporting all week from ground zero of the outbreak in brazil. >> reporter: here in brazil, donated blood is not yet tested for zika virus. instead donors are asked if they've recently been ill, but since 80% of people with the virus have no symptom, self-reporting misses most infections. in brazil the virus is predominantly spread through mosquitoes, but in the united states, nearly all the reported cases are imported from travelers. say peopl should not donate blood if they have traveled in the last 28 days to mexico, the caribbean, south or central america. the director of tnsfusion medicine at u.p.m.c. >> i i the deferral will take care of the great majority of the risk, so i think by far the benefits of transfusion would an infected unit. >> repororr: there is a test called p.c.r. that can detect zika virus in the blood, but it's not government approved in brazil or in the united states where about 21 million units are transfused each year. >> we keep the virus here frozen. >> reporter: researchers rafael franka has been studying zika closely at this laboratory in brazil. >> we have the machines and the technology to do. this we need to make sure we have solid results. >> reporter: therere's nothihi every blood transfusion for the presence of zika virus? >> yeah, true. we jt don't have enough time actually. >> reporter: if mosquitoes in the u.s. get infected, travel bans alone would not be an effective screening method. if that happen, testing donor blood for the preds accident of zika virus would be cocoidered. >> pelley: jon lapook in brazil for us tonight. john, thank you. now, five days before the new hampshire primary, a poll out this evening shows dond trump leading marco rubio by 11 points. that's a seven-point improvement for rubio, putting him ahead of ted cruz. trump is looking for a comeback and major garrett is ther >> reporter: donald trump is learning retail politics means more than selling hats and t-shirt. >> okay. let's go. >> donald, we love you. >> reporter: it means mingling with votots, something trump rarely did in iowa. >> got to do it. it's crunch time, right? >> reporter: crunch time is game is hurriedly playing catch-up. trump hased everyoll here since july, but today would not predict victory. >> i don't think in terms of losing. that's why i'm here right now. i think we're going to do well. >> donald trump is very rattled right nono he told the entire world he was going to win iowa, and then he didn't win. report iowa caucus winner ted cruz is trying the maximime his momentum to catch trump and beat back another challenge from marco rubio. >> i really appreciate your support. >> reporter: marco rubio picked up rick santom's endorsement yesterday, but this morning santorum did little to help the florida senator. >> list one accomplishment that marco rubio has achieved in four years of the united states sena. it doesn't evev have to be a passed bill. >> the bottom line is there isn't a wholele lot of accomplishments, joe. i don't think it's fair question. >> reporter: rubio quickly downplayed santorum's comments. >> i wouldn't expect him to be entirely familiar with my record >> we're electing a president of the united states, in the a back bencher to the united states senate. >> reporter: jeb bush h made an issue of rubio's lack of experience all week. today the super pack supporting bush featured its first tv ad featuring george w. bush. >> i know jeb. i know his good heart and his strong backbone. >> reporter: scott, top republicans say trump can win without the months of organization and money that ted cruz, john kasich and jeb bush >> pelley: major garrettttn new hamamhire, major, thank you. speaking of jeb bush, he finished sixth in iowa and he's at 10% in new hampshire. well, today norah o'donnell spoke to him and his mother, former first lady barbara bush. >> just a few years ago you said no more bushes in the white house. >> funny. i knew you were going to bring that up. and i said it because it isuch a sacrifice for his family, but he has to run. >> pelley: you can see moror of norah's interview with jeb and barbara bush tomorrow on "cbs this morning." hillary clinton's campaign has been facing questions about her decision as secretary of state to use an unsecured computer server in her home for official e-mails. some of those e-mails turned out to conin top-secret informatio well, today we learned that clinton is not alone, and we asked nancy cordes to look into this. >> i will be a better president. >> reporter: clinton suddenly finds herself in good company. according to an internal stste departmenteview, two of former secretary colin powell's personal e-mails also contained classified information, as did ten e-mails from the personal account of top aides to his successor, condoleezza rice. >> most of them i think are pretty benign. >> reporter: like clinton, lauren powell exclusively used a sersonal account as secretary of state, though he e-mailed far less often. two e-mails in question were from my executive assistant and forwarded messages sent by two ofur ambassors to state department staff members. i have reviewed the messages, he said, and i do not see what makes them classified. the clinton campaign happily sided with him. press secretary brian fallon.n. >> this is an example of overclassification run amok. >> reporter: the state department announced last week that 22 of clinton's e-mails which sat on her private server for years are being reclassified as top secret, one of the highest levelel of classification, higher than the secret and confidential designations given to the powell and rice e-mails. more than 1,500 clinton e-mails categories. isn't there a big difference between an e-mail or two being classified as confidential and 22 e-mails being classified as top secret. >> these e-mails that have been wrong. let the public see them. >> reporter: f.b.i. is still looking into clinton's use of a private server, but, scott, the clinton campaiai views this as a rare positive development in a year-long controversy. >> pelley: nancy cordes with the clinton campaign. nancy, thank you. today in the watermergency in flint, michigan, the e.p.a. s sd that lead levels a a dropping and home filters appear to be working. but that isn't true everywhere as our aiana diaz discovered. >> we have this information sheet from e.p.a. >> reporter: e.p.a. agents have fanned out in flint, targeting homes where lead levels remain sphub -- stubbornly hh. joe ragnone's tap water has the city's second highest amount of lead on record. it's classified as toxic waste. >> does it look like that watat is contaminated? >> that looks like regular water? >> right.. only to find out you got over 5,000... >> reporter: parts per billion. this is the reason why we never really even consnsered our water being bad. >> reporter: old and corroded led pipes in some homes are still releasing lead into the drinking water. since januy 1st, 364 homes of the moror than 5,000 tested exceeded the federal lead limit of 15 parts per billion. 48 topped 150 ppbs. overall is water safer here for flint? >> safer since last fall? >> reporter: uh-huh? >> we don't have the day to to be able to say that yat. we're hoping, but again, that's why we're e re. we'reeollecting samples. we're trying to evaluate the health of the system. >> reporter: concern for lead levels in children's blood is still high. today state health officials released the latest data. they show 2.5% of childrenn have elevated blood lead levels. last year at this time it was 2.1%. parents continue to bring their childrenn for blood testing, bebevioral issues. >> it's just a bad situation. we just worry. >> reporter: 34 members of the e.p.a. are on the ground conducting tests at homes with the highest lead levels. scott, today officials announced they want every child in flint under six years old tested for lead by april 1st. >> pelley: adriana diaz. adriana, thanks. well, there was quite a scene on capitol hill today. martin shkreli was there, the former drug company executive who became a poster boy for price gouging. he was later arrestedd on unrelateed fraud charges. members wanted to ask him about drug prices. >> on the advice of counsel, i invoke my fifth amendment privilege. i invoke my fifth amendment privilege. i invoke my fifth amendment privilege against self-incrimination and respectfully decline to answer youruestion. >> pelley: his space spoke volumes. faces of people who could not get the drugs they need, and i truly belieie... are you listening? >> yes. >> thank you. i truly believe you could become a force of tremendous good. there are so many people that could d e your help. may god bless you. >> pelley: after the hearing, shkreli invoked one more right to spree speech, tweeting, "hard to accept t tt these imbeciles represent the people in our government." martin shkreli was the company executive embroiled in that price gouging situation. prosecutors reveal details of the carefully planned murder of a 13-ar-old girl and we'll remembmb the founder of earth, wind and fire when the "cbs and i got hehet disease. my tip is, it's hard to serve your country n your uniform. (announcer)you can quit. call 1-800-quit-now. whatcha doin? just prepping for my boss' party y a couple weeks. what are those? crest whitestrips. they whiten way better than paste. crest 3d white whitestrips... whiten 25 times better than the leading whitening toothpaste. i'd say... ...someone's making quite an impression. crest white whitestrips. the e y to whiten. when you have a digital notebook to capture investing ideas that instantly gives you stock prices, earnings, and dividends... an equity summary score at consolidates the stock ratings of top analysts into a single score... and $7.95 online u.s. equity trades, lower than td ameritrade, schwab, and e-trade, you realize the smartest investing idea isn't just what you invest in, but who you invest with. whwh you've got a a use fullllf guests on the way and a cold with sinus pressure, you need fast relief. cough liquid gels rush relief to your tough symptoms. to put you back in control [doorbell] woman: coming!g! >> pelley: today several hundred people paid final respects to 13-year-old nicole lovell of blacksburg, virginia. there was hearing today for one of two virginia tech students who are charged in her stabbing, and don dahler is following the case. >> reporter: natalie keepers' pants left the montgomery county courthouse after a judge denied their 19-year-old daughter's bail, and the prosecutor, mary pettitt, laid out new details of the case against her. pettitt described how keepers and fellow virginia tech student david eisenhauer carefully planned the murder of 13-year-old nicole lovell, whom he met online. police found messages from him on her phone. the prosecutor said the college students plotted her murder at fast-food restaurant. ey then bought cleaninin supplies at one walmart store and a shovel at another. investigators say the girl was murdered january 27th, the same day she climbed out of her bedroom window to meet eisenhauer. she was killed on a remote road north of virginia tech. the girl was dead, the two put her body into the trunk of eisenhauer's lexus and drove to nortrtcarolina where theyy dumped it by the side of a road. pettitt said keepers confessed to her role in the girl's death. prosecutors did not reveal a motive but said keepers was excited d be part of something special with eisenhauer. scott, keepers' parents told the court that she has mental health issues. >> pelley: don dahler, thanks. still ahead, quarterback cam newton, the super bowl star, talks to james brown. i am her best friend. i am her ally. so i asked abobo adding once-daily namenda xr to her current treatment for moderate to severe alzheimer's. it works differently. when added to another alzheimer's treatment, it may improro overall function and cognition. and may slow the worsening of symptoms for a while. vo: namenda xr doesn't change how the disease progresses. or who's had a bad reaction to namenda xr ororits ingredients. before starting treatment, tell their doctor if they have, or ever had, a seizure disorder, difficulty passing urine, liver, kidney or bladder problems, and about medications they're taking. certain medications, anges in diet, ororedical conditions may affect the amount of namenda xr in the body and may increase side effects. the most common side effects are headache, diarrhea, and dizziness. all my life, she's been there for me. now i am giving back. ask their doctor about once-daily namenda xr and learn about a free trial offer at namendaxr.com. there's a more enjoyable way to get your fiber. try phillips' fiber good gummies plus energy support. it's a new fiber supplement that helps support regularity and includes b vitamins to help convert food to energy. mmmmm, these are good! nice work, phillips! the tasty side of fiber, it's just a cough. if you could see your cough, you'd see just how far it can spread. robitussin dm max soothes your throat and delivers fast, powerful cough relief. robitussin dm max. because it's never just a cough. when i lay in my tempur-pedic contour, then i slowly feel it start to kind of wrap itself around me. with tempur-flex you've got the spring and bounce of a traditional mattress. then, it also adjusts to my body. my cloud feels so comfortab. it feels like somebody's hugging you. buy now, and save up to $3000 on our most popular tempur-pedic mattress set. and sleep happy with zero percent apr for five years. how can a bed do that!? visit mattress firm, america's #1 tempur-pedic retailer today, and sleep happy tonight. this just got interesting. why pause to take a pill? or stop to find a bathroom? cialis for daily use is approved to treat both erectile dydyunction and the urinary symptoms of bph, tell your doctor about all your medical conditions and medicines, and ask if your heart is healthy enough for sex do not take cialis if you take trates for chest pain, or adempas for pulmonary hypertension, as it may cause an unsafe drop in blood pressure. do not drink alcohol in excess. side effects may include headache, upset stomach, delayed backache or muscle ache. avoid long-term injury, get medical help right away for an erection lasting more than four hours. if you have any sudden decrease or loss in hearing or vision, or any symptoms of an allergic reaction, stop taking cialis and get medical help right away. ask your doctor about cialis anana $200 savings card sunday on cbs. our special correspondent and super bowl pregame host james brown sat down with panthers' quarterback cam newton for "60 minutes sports." >> reporter: of the north carolina athletes that you have a relationship with, those with jordan, stephen curry and others like lebron james,, what one something did you take away from those relationships? >> their professionalism. here i am, i'm in awe every single time i see michael jordan. steph curry is a person that has really embarked upon elite status in nba history. d i'm not too p pud to ask from lebron to, you know, michael jordan, to steph curry or even yourself that i need help. you know what i'm saying? i'm not perfect. anything that you can tell me, anything that anyone else can tell me that may help me in my growth, i want to hear it. >> reporter: when they signed you to that c ctract, they said it was because they felt you could get them to the promiseland. you're like moses now. you're at the doorstep. will you be joshua and takehem into the promise land is the question? i'm hoping. i can't promise anything. i can tell you this: i there's going to be a person out there on super bowl sunday prepapad and living theheream. >> pelley: and this weekend j.b. is in super bowl city. i wonder, cam newton gets a lot of flack for his celebrating after touchdowns. what does he make e that? you know, scott, he's quite puzzled by the extent of the reaction to his celebrations on the field. it is atypical for a quarterback to be quite so demonstrative, but he'll be first to tell youou thusiasm is what has gotten him to this point. as a matter of fact, my high school coach says nothing great is every accomplished without enthusiasm. he's embracing it. they're at the doorstep of a susur bowl championship. >> pelley: well, a lot of enthusiasm for the game this weekend. james brown, thank you very much. you can see j.b.'s full interview with cam newton on "60 minutes sports." that's tuesday night on showtime. well, if you were anywhere near '80s you know the music of maurice white. so remember he was the founder and leader of earth, wind and fire. their mix of soul, jazz, funk and disco sold more than 90 million albums and wonon a grammy for white's "got to get you into my life." maurice white has died of parkinson's disease. and we'll be back in a moment. this is sheldon whose long day setting up the news stts with minor arthritis pain and a choice. take tylenol or take aleve, the #1 recommended pain reliever by orthopedic doctors. just two aleve can keep pain away all day. >> pelley: today nfl commissioner roger goodell said the league will now require teams and his own office to interview women for executive positions. there are already a lot more michchle miller. >> reporter: for the past ten years, megan lopresti and her friends have been meeting up every sunday for one reason. >> i like sports, but there's something about football. it keeps you on your toes. >> reporte lopresti is part of the 43% of the nfl fan base that's woman. >> we'll start with the latest hire, kathryn smith. >> reporter: last month the buffalo bills made history in hiring first full-time female coach. >> how do you get something goinin offffensively? >> reporter: tracy wilson is the lead sideline reporter for cbs sports. women never get a chance the play football. you just watch it from afar. >> reporter: she's loved football ever since s s wore pigtails. when did women say, hey, i want in in. >> that's a good question. i think nfl has made a big push, whether it's breast cancer awareness month, what they sell in the stores of tailoredd jersey, the commercials you see on tv. you don't own me taking note. last year 54 million women watched the super bowlwl >> finally nfl women's apparel fit for you. >> reporter: the wife of jets' owner woody johnson is a fashion ambassador for the nfl, where wowon's merchandise is the fastest-growing sector with sales increasing more than 20% a year. what do women bring to the sport that men don't? >> the woman is the blew that lds the whole familil together. the woman makes most of the decisions. and that includes purchasing power. >> reporter: so while the men may score the winning touchdown this super bowl sunday, women are fast b boming football's most valuable players. michelle miller, cbs news, san francisco. >> pelley: and that's the "cbs evening news" for tonight. for all of us a acbs news all around the world, good night. captioning sponsored by cbs captioned by% access.wgbh.org right now on cbs 2 news, new information on in a deadly crash in benton county. county.plus...a call to action. i'm a strong advocate for preventative healthcare.the steps dodoors say young teens new information on a deadly crash in benton county. plus, a call to action. the steps doctors say young teenagers should take to prevent cancer. the fluke that may have exposed the voting information of millions. right now a local group working to turn cedar lake into eastern iowa's the newest attraction. the master plan. we are live from the lake tonight with more. joe. to bring beauty back to the water.the plan presented this evening calls for boat docks boardwalks [inaudible] cost is about 8.8 million

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