And good evening. Thanks for joining us on this sunday. Im tom llamas. We begin with Hillary Clintons official announcement. After months of dodging the question, finally saying shes running for president for a second time. But she didnt do it in person. Instead, the campaign kicked off with this video, sent out on social media. Twitter lighting up. Check this out with the announcement. Retweeted 3 million times the first hour. Trending number one across the globe. Abcs cecilia vega who will lead our coverage of the Campaign Starting us off tonight from brooklyn. Cecilia . Reporter tom, good evening to you. This building right here behind me, that is Hillary Clinton head quarters. The street behind that, clinton street, appropriately named. For two years, questions about Hillary Clintons political future. Will she run . Wont she run . Tonight, we know the answer. A president ial Campaign Launched on youtube. Hillary clinton making her long anticipated entry into the 2016 race officially official with this. My daughter is about to start kindergarten next year. And so were moving. Reporter a video that doesnt even show her face until halfway in. Im running for president. Reporter the former first lady, senator, and secretary of state once again hoping to be the first woman in the oval office, making her pitch through voices like these. Moms. Workers. Black, white, spanishspeaking, and gay. Im getting married this summer to someone i really care about. Reporter it will be the theme of her campaign for the next 576 days. She says the focus is not on her, but on people she called everyday americans. Everyday americans need a champion. And i want to be that champion. Reporter and while her supporters are cheering, chelsea tweeting, very proud of you mom. So many others ready to pounce. From snl hillary would make a great president. And i would make an even greater first dude. Reporter to republicans. Opponent rand paul releasing this ad today. Hillary clinton represents the worst of the washington machine. Reporter clinton may be the presumed democratic frontrunner, but according to a new poll, 72 of democrats and independents say it would be a good thing if she faced a serious challenger. Dont you some day want to see a woman president of the United States of america . Reporter first stop on the campaign trail, iowa, where clinton will meet with small groups of voters. The one person who wont be there . Her husband. And cecilia joins us live again. Speaking of her husband, what kind of role will former president bill clinton play in the campaign . Reporter we wont see him during the first few weeks of travel. A top Hillary Clinton aide tells us he has been involved in virtually every major strategy session. And that in fact he is his wifes most important adviser. Well see him on the campaign trail eventually. We know youll be traveling with her all the way. Thank you so much. Up next, senator marco rubio. A big announcement coming tomorrow on whether or not hell run for president. The junior senator in florida a strong fund raiser for the gop is a tea party favorite. He could be joining a crowded field that could include his former mentor, jeb bush. George stephanopoulos visits senator rubio at his home tomorrow for an exclusive interview. In South Carolina, mourners and protesters came together one day after Police Shooting victim walter scott was laid to rest. His family comforting themselves at least a little knowing that his death may bring about change and encourage more Police Departments to equip officers with body cameras. Abcs Kendis Gibson in South Carolina for us again tonight. Reporter tonight, a vigil at the very spot where walter scott was gunned down. We come to stand on this spot to press our feet into the ground where he was. Reporter the gathering capping a weekend of prayer and protests in North Charleston. The Embattled Police chief telling me the entire week has been difficult. Is this has got to be tough. Its tough for everybody. Reporter scotts shooting death by officer michael slager, triggering a firestorm over police use of deadly force. Washington post analysis of thousands of Police Involved fatal shootings over the last decade shows only 54 officers were charged. Recent nonlethal encounters also increasing alarm nationwide. Suspect being tased. Reporter in california, the fbi now investigating after sheriffs officers are seen punching and kicking a man dozens of times. In South Carolina, a man shot several times last fall after reaching for his license. Why did you shoot me . The South Carolina shooting has been a gamechanger. I think theres now a consensus on the part of Law Enforcement executives that they have to move in the direction of body cameras. Reporter North Charleston already has body cameras on order for all of its officers. While it may not prevent future violence, many hope the body cameras will force some to pause before acting. Scotts death right here resulting in change far beyond this community. On wednesday, the South Carolina legislature will hold hearings on equipping officers across the state with body cameras. Tom . Kendis gibson in North Charleston, South Carolina, for us. Thank you. Lets turn to the weather. In illinois. Where people struck by that powerful ef4 tornado are putting their lives back together this weekend. Today, prayers at church services, remembering the two lives that were lost. And others on the streets where their homes once stood looking for what can be salvaged. All weekend, the threat of Severe Weather offered over the plains. Hail battered the texas panhandle near lubbock. It bounced off the road and covered the ground like snowfall. Abcs senior meteorologist rob marciano is here. The Severe Weather is not letting up . Some of those hailstones were tennis ballsized. We have two areas of concern this evening. One across parts of oklahoma and southern kansas. Large hail, strong winds. Potentially lightning. Maybe a tornado. One report of a tornado last night. Across the rio grand of texas, southern texas could see the same deal. We have had a lot of Severe Weather. At least some heavy rains across southeast texas. Southeast louisiana. Sliding into southern georgia. Some rainfall estimates there, two and three inches. Well see another two to four i think, maybe over four this week here through houston, new orleans, jackson, mississippi. Well be watching for flash flooding. Tom . All right, rob. Thank you. Next to the change in relations between the United States and cuba. The first facetoface meeting between a u. S. President and cubas leader in more than 50 years. Since president obama moved to open diplomatic channels in december, small changes already happening in cuba. And people in both countries expect more changes are coming. Not everyone is happy. Heres jim avila. Reporter tonight that historic handshake sparking reaction from washington to miami to havana. The Cuban Foreign minister in an exclusive interview with abc news, pressing barack obama to use executive action to lift parts of the embargo and to quickly announce cubas removal from the state sponsors of terror list. It was unfair. Im confident that president obama will take the right and just decision. Reporter the cubans say the fivedecadelong embargo is asphyxiating the cuban people, but president obama says the cold war days are over. Were not in the business of regime change. Reporter the new era has brought with it more american visitors. More private businesses opening. Its now legal for american credit cards to be used in cuba. U. S. Citizens can bring home 100 worth of cigars. U. S. Airlines are applying for regularly scheduled service. Jetblue announcing new service between halvevana tampa, and orlando. But today, most cubanamerican politicians criticized the new diplomacy. I think the president has a a misguided calculation that if you open your hands to dictators that they will unclench their fists. Reporter but recent polls show that even in south florida, a majority of cubanamericans support lifting the embargo while the minority remains vocal. Its not going to help the cuban people. It will help only the american businesses. Reporter an independent poll taken last week by our sister network, fusion, showed that 97 of the cubans there support the new diplomacy. President obama told castro he has received and is reading the state departments recommendation that the country be taken off the terrorism list. The president expected to make that announcement some time this week. Tom . Jim avila in panama city, panama. Jim, thank you. From the vatican tonight. Pope francis causing a diplomatic dustup. After serving mass at st. Peters basilica. The occasion . The 100th anniversary of the mass killing of armenians by ottoman turks. But its what he called that conflict that has sent ripples across the globe. Abcs Alex Marquardt in beirut tonight. [ speaking Foreign Language ] reporter with just one word, it was the kind of groundbreaking remark this pope has become known for. Striking a diplomatic nerve, pope francis today declaring out loud that the first genocide of the 20th century was committed when turkey, then the ottoman empire, slaughtered as many as 1. 5 million armenians a century ago. On par, he said, with the nazis and stalin. Genocide. A term long rejected by turkey. The u. S. Afraid to use it against its close ally. Turkey today immediately summoning the vatican ambassador, and recalling their own. Its a painful chapter at the heart of armenian history. The 100th anniversary this year gaining more attention with a visit by armenianamerican reality stars, the kardashians. Pope john paul ii called the 1915 killings a genocide in a statement, but never in public. Candidate barack obama said hed be the First American president to do so, but never has. Pope francis proving yet again today hes not afraid of making waves. Alex marquardt, abc news, beirut. Back here in the states now. Proving april is the cruelest month. Tax day is wednesday. If you havent filed yet, you have probably spent part of this weekend trying to finish up. If you try to reach out to the irs for help, you may still be waiting. Heres abc business and chief economics correspondent rebecca jarvis. Reporter tonight, the clock ticking. Just three days to your tax deadline. Crunch time when so many of us call the irs with those lastminute questions. Welcome to the Internal Revenue service. Reporter but this year, help might not be a quick call away, according to irs commissioner john koskinen. More than 6 out of 10 people who called could not reach a live assister. That is simply unacceptable. Reporter koskinen says budget cuts are to blame for the short staffing. And many tax filers finding out the hard way. I called the irs friday morning with what i thought was a Pretty Simple refund question. Reporter 44 minutes, then 63. Jennifer norman instagramming her time waiting. And it ended up being on hold about an hour and 12 minutes before i talked to somebody. Reporter long waits in person, too. This line outside a dallas irs office in march. Even the irs own Taxpayer Advocate service admits americans could be facing the worst levels of Service Since 2001. So how can you make this year a little less taxing . First, use the irs website for answers to the most common questions. Next, dont leave money on the table. People are either not claiming deductions for which they qualify, or theyre not using credits that are available to them. Reporter and finally, watch those typos. Using direct deposit gets you your refund faster, but only if your bank routing and account numbers are correct. Rebecca jarvis, abc news, new york. And from california tonight, a reunion between a man who nearly died and the man who saved his life. What brought them together . A simple phone app. That its makers hope will save other lives as well. Heres abcs david wright. Reporter a life or death emergency on this california soccer field for 62yearold farid rashdi. I had a cardiac arrest. And my heart just stopped. Reporter lucky for him, help was just across the street. So i was about to sit down to dinner, and i received a cpr alert on my phone. Reporter trainee paramedic walter huber subscribes to pulse point, kind of like uber for cpr. An app that connects people with lifesaving skills with people who need help right now. One, two, three, four. Reporter so even as the First Responders raced to the scene, huber was already there. And so i immediately started cpr. Reporter the app connects straight to the 911 call center in 1,100 communities nationwide using location data from cell phones to alert nearby volunteers. I gather that minutes matter. Definitely, minutes matter. Reporter seconds matter. And pulsepoint can cut response times by ten minutes. Are you worried that people will respond who dont know what theyre doing . You know our concern is really is, will people who are trained, will they engage, will they be willing to respond . Hi reporter this weekend, farid rashdi and his hero had a tearful reunion. Im kind of speechless right now, seeing you alive and well. Reporter saving lives, thanks to a smartphone. Give me a hug in here. Reporter and a good samaritan. David wright, abc news, san ramon, california. Still ahead, why police are hunting for this red van after a frightening ordeal that ended on this cemetery. The latest on this kidnapping investigation. Later, a soldiers surprise that floored his family. What happened next before thousands of hockey fans . Those stories coming up. Allergies can distract you. So when your symptoms start, doctors recommend taking nondrowsy claritin every day of your allergy season. With claritin, you get powerful, nondrowsy relief 24 hours a day, day after day. Which is important because with fewer symptoms to distract you you can focus on the extraordinary things you do every single day. Live claritin clear. Every day. Meet the worlds newest Energy Superpower. Surprised . In fact, america is now the worlds number one natural gas producer. And we could soon become number one in oil. Because Hydraulic Fracturing Technology is safely recovering lots more oil and natural gas. Supporting millions of new jobs. Billions in tax revenue. 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For the love of dog™. Welcome back. Tonight, the manhunt for the suspects on the run after a frightening abduction. And so much of that drama caught on camera. The images of a red van speeding away. What was happening inside the entire time. Heres abcs gloria riviera. Reporter tonight, police are searching for two of the three men who carried out this brazen kidnapping in philadelphia last week. New Surveillance Video released shows the terrifying abduction. A red cargo van enters a parking garage near the victims jewelry store. The longtime employee walks offscreen to her car at the end of her shift. Just minutes later, that same red van reappears, leaving the garage with the victim, police say, inside. They put a hood over her face. They tiewrapped her. They were tasering her. And what they wanted from her was the codes and the alarm systems. Reporter codes she didnt know. The team of thieves then beating and tasering her. Stealing her phone, her atm card, withdrawing some 200 in cash. Finally, leaving her at this cemetery. Still in shackles, she managed to remove her hood and get help. Female supposedly tied up across the street from the cemetery. Reporter police have arrested 31yearold khayree gay, who fled to South Carolina on charges of kidnapping and robbery. Jewelry heists in general on the rise in texas. Just last week one example of what the fbi cites as a twofold increase in the last year of the smashandgrab type. In both cases, Officials Say the goods can be easily sold across state lines. Innocent buyers ending up unknowingly with stolen goods. The victim in philadelphia suffered bruises and a concussion. Shes recovering at home. Khayree gay is awaiting charges and hell appear in court tomorrow. Police are offering a 10,000 reward for any information that leads to the arrest of the two men still out there. 10,000. Lets hope they get them. Thank you, gloria. When we come back, how this little mix master is rocking the beat. Dont call him a club kid. Our instant index up next. And the wolf was huffing and puffing. Kind of like you sometimes, grandpa. Well, when you have copd it can be hard to breathe. It can be hard to get air out,