captioning sponsored by cbs this is the "cbs evening news" with scott pelley reporting from los angeles. >> pelley: good evening. this is our western edition. at this hour is appears russian militaries forces are crossing the border into ukraine. in a region of ukraine known as crimea. late today, president obama went on national television to warn russia against a military intervention. ukraine has been reeling since last week when a popular revolt led the president of ukraine to flee to russia. crimea used to be part of russia and has long wanted to return. ukraine says russian attack helicopters and military transports have taken two key airports in crimea. that is what brought the president into the briefing room. >> it would be a clear violation of russia's commitment to respect the independence and sovereignty and borders of ukraine and of international laws. and just days after the world came to russia for the olympic games, it would invite the condemnation of nations around the world and, indeed, the united states will stand with the international community in affirming that there will be costs for any military intervention in ukraine. >> pelley: now, russia says the troop movements are normal by treaty with ukraine, russia does have a major navy base on the crimean coast. we have a team of correspondents covering this rapidly developing story in ukraine and washington. first, david martin at the pentagon on what the russians are up to. david. >> reporter: scott, u.s. officials say the russians are flying hundreds of troops, maybe more into crimea. these officials are not yet calling this an outright invasion but one said this is history being made. they are landing at an airfield near the capital of crimea in what appears to be a classic operation for inserting troops into a foreign country. first seized the airfield, which then serves as at bridged head to bring in more troops and more equipment. these movements are unrelated to the large-scale military exercise going on inside russia which u.s. officials say is serving as a screening operation to make the airlift of troops into crimea harder to detect. it is not yet clear what these russian troops intend to do once they consolidate their position at the airfield, but so far, u.s. officials say there is no evidence of gunfire. >> pelley: david martin at the pentagon. david, thank you. ukraine is divided nearly down the middle with strong russian sympathies in the east and in the west people who identify with western europe. those people in the west overthrew the corrupt ukrainian president last week. clarissa ward is in ukraine's capital kiev. clarissa what's going on in crimea? >> reporter: well, scott, the situation on the ground in crimea is very tense and very fluid. those masked gunmen have taken over the two main airports and the parliament and what's particularly unnerving to the people on the ground is these men will not identify themselves. they are wearing uniforms and the uniforms do not have insignias on them. all we know is they appear to be a pro-russian paramilitary force. the russians have been completely silent on the events going on in the ground in crimea and on what role they may have in those events. but the ukrainian leadership here in kiev has not minced any words. the interior minister has said this is essentially a military invasion and the defense minister has warned if any military installations come under attack in crimea, the ukrainian army is ready to respond. >> pelley: clarissa ward reporting from kiev tonight. it is worth remembering that russia invaded neighboring georgia back in 2008, and that resulted in a shooting war. major garrett is at the white house for us tonight. major. >> reporter: scott, the white house knows its options are limited, and president obama's warnings to russia about costs to be paid if it intervenes or ipvades ukraine remain vague. top officials here tell us there's no sciewrs discussion about u.s. military action although the united states my boycott the upcoming gitsummit in socha roorn. the trade talks also might be cancel pd at the united states the russian oomed said russian troop movements are not menacing and not meant to intimidate the tranquil transitional government take hold of power in ukraine. he said russia has treaty right in crimea and is merely exercising them. scott, i must tell you, the white house is far from convinced. >> pelley: major, thanks very much. bob schieffer today spoke with defense secretary chuck hagel about u.s. military options. bob, what did he have to say? >> reporter: i'll tell you, bob, it was just before the president spoke and he pointedly told me it would be a mistake if the russians moved forces into other parts of ukraine. what would we do if the russian forces started rolling into other parts of ukraine? >> well, i won't get into the different specific options, but this could be a very dangerous situation if this continues in a very provocative way. we have many options, like any nations do. we're trying to deal with the diplomatic focus. that's the appropriate, responsible approach. >> reporter: hagel was circumspect, for obvious reasons, but it was clear that what he and other western officials are telling their russian counter-parts is, look, it is in no one's interest to let this get beyond where it is now. we've got to work together to try to calm this down. now, whether that message is being heard is the part that's not clear. >> pelley: bob, thanks very much. bob will have much more with secretary hagel this sunday on "face the nation." now, to the other big developing story tonight, the extreme weather. have a look at this. this is the los angeles river outside our l.a. bureau. on wednesday, it was bone dry. tonight, the waters are raging as a winter storm batters the drought-stricken west coast with more water than some places can handle. this is the view from space. you can see just how big the storm system is. the rain is coming ashore in wave after wave touching off mudslides in some places. ben tracy is in glendora, california. ben. >> reporter: scott, we have our own version of a river here in glendora, california. the only problem-- this is a street. this is one of the heaviest rainstorms to hit this area in the past three years, and it's already proved deadly. >> the water continues to rise. >> reporter: two men and their dogs had to be rescued from the raging l.a. river as the water was rapidly rising. on a rain-soaked freeway, the driver of this truck was killed when he crashed on an overpass. rain is falling at up to an inch an hour, turning streets into muddy streams. city crews are trying to quickly clear them to prevent storm drains from clogging. >> after 8:00 p.m., you can't come back up. >> reporter: more than 1,000 homes are under mandatory evacuations in hillside towns threatened by mudslides. those who chose to stay are told they are now on their own. l.a. county assistant fire chief steve martin. >> we cannot go into moving mud and debris and risk our personnel to get to you and your homes. we will have to wait until it stops. >> reporter: some of the debris coming down the hills is still smoking from a wildfire here last month. >> this is not really mud. this is the sludge from the fire. >> reporter: ed heinlien's basketball court was full of it and it was creeping closer to his house. he fears the hillside may not hold. >> it looks small. it is huge. and all is going to come down in these 10 homes here and wipe out rancho vasquez. that's the worst-case scenario. >> reporter: downtown los angeles is expected to get almost as much rain from these storms as it did all of last year. the problem is that when the rain comes this hard, this fast, the l.a. drainage system washes nearly 90% of it out into the pacific ocean, and it creates a mess. who are those guys? >> i don't know, but that's not a good idea. >> reporter: a weather channel reporter found out he was no match for the mud in ed heinlien's backyard, and neither was his boot. now, these foothill areas could see up to six inches of rain before these storms move out on saturday, but california desperately needs this rain because of the drought. scott, i talked to one homeowner today. he's likely going to have some mud up against his house but he said he's willing to take one for the team. >> pelley: thanks very much pain little bit later in the broadcast, we're going to talk to california governor jerry brown about the drought and whether he might have another run for president in him. the next few days are going to be dicey in terms of the weather for millions of people. all that moisture from here in california will be funneled by two jet streams as it moves east, forming a long, narrow band of ice and snow, stretching across most of the country. some places could get a foot of snow. right now, the weather problem for much of the midwest and east is bitter cold. elaine quijano is in a city that is having its most brutal winter in more than 60 years. detroit. elaine. >> reporter: well, scott, this was the 69th day below freezing here in detroit, this winter. the city has been directly under an arctic airstream make together coldest winter here since 1950 and covering the great lakes with ice. the coast guard's ice-breaking tug is fighting to keep the route between lake huron and lake eerie clear of ice. the ice is winning. >> what was it, negative 8? >> reporter: lieutenant commander molly waters said calls for help from boats surrounded by ice has tripled this winter. >> colder temperatures started forming ice a lot early are than previous years and the ice has had more time to grow thicker so it's been a lot more challenging for the shipping this particular year. >> reporter: driving around the detroit area has been a challenge, too. some roads in redford township have not anyone be clear for weeks. judith williams lives here. >> this is by far the worst winter i ever remember here and the roads are really bad. >> reporter: march will come in like a lion. the snow this weekend will stretch across the 2,000 miles between colorado and maine. >> diehard tigers fan. >> reporter: the only sign of spring in michigan was at comerica park where tigers fans hoped to score opening day tickets. a thaw here is not expected for days. scott, temperatures are not expected to get above freezing until next friday. >> pelley: spring is coming march 20. elaine, thanks very much. today we got a glimpse of the inner workings of the clinton white house when the national archives released 4,000 pages of once-confidential documents. a 1994 memo concerned president clinton's attempt at a health care overhaul. an aide warned speech-writers not to "promise the nation they will get to pick the doctor of his or her choice, something we know full will we won't deliver." the report is in tonight on what killed actor phillip seymour hoffman. we'll talk to california governor jerry brown about the drought and his political future. and an unprecedented view of the deep from a shark's point of view when the cbs evening news continues. continues 3:o this is mike. his long race day starts with back pain... ...and a choice. take 4 advil in a day which is 2 aleve... ...for all day relief. 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"action!" back from the brink of deat next at six. weather talent appears at wx center with generic pinpoint filling monitor then we take special >> pelley: our final story begins with a chance encounter between an officer and a gentle young soul. steve hartman met them "on the road." >> reporter: here at the ohio air national guard base near toledo, lieutenant colonel frank dailey still can't believe the honor recently bestowed upon him. >> it's incredible being recognized in such a manner. >> reporter: it happened at a cracker-barrel, of all places. as the security camera shows, lieutenant colonel dailey entered the restaurant on february 7 for an early lunch. at about the same time, eight- year-old myles eckert came in with his family. myles, in the green hoodie, was very excited. he'd just found a $20 bill in the parking lot. just sitting there? >> yeah. >> reporter: did you start thinking what you could spend it on? >> i kind of wanted to get a video game, but then i decided not to. >> reporter: he changed mind when he saw that guy in uniform. >> because he was a soldier, and soldiers remind me of my dad. >> reporter: and so, with his dad in mind, myles wrapped the 20 in a note that read, "dear soldier, my dad was a soldier. he's in heaven now. i found this $20 in the parking lot when he got here. we like to pay it forward in my family. it's your lucky day. thank you for your service." signed myles eckert, a goldstar kid. army sergeant andy eckert was killed in iraq just five weeks after myles was born. all the kid has ever had are pictures and dog tags. >> this is his wedding ring. >> reporter: ...other people's memories and his own imagination. >> i imagine him as a really nice person. and somebody that would be really fun. >> reporter: the dad he imagines must also love a good story. >> there! >> reporter: because after lunch that day, myles asked him mom, tiffany, to make one more stop. >> he wanted to go see his dad, and he wanted to go by himself that day. >> reporter: she took this picture from the car. follow the footsteps and you'll see myles standing there behind the flag, presumably telling his dad all about it. and whether heaven heard him or not, his good deed continues to impress on earth. you read it more than once? >> i look at it every day. >> reporter: kid gave you a bigger gift than $20. >> a lifetime direction. for sure. >> reporter: lieutenant colonel dailey says he's already given away the $20 and plans to do much more. he also hopes that little green post-it will inspire other people across the country to give, to give as sincerely and dutifully as this father and son. steve hartman, "on the road" in toledo, ohio. >> pelley: and that's the cbs evening news for tonight. for all of us at cbs news all around the world, i'm scott pelley in los angeles. i'll see you sunday on "60 minutes." good night. captioning sponsored by cbs captioned by media access group at wgbh access.wgbh.org your realtime captioner is linda macdonald. we have seen it all today, flooded freeways, toppled trees and the downpours are not done yet. good evening, i'm ken bastida. >> i'm elizabeth cook. a live look in dublin right now. tonight stronger showers off and on throughout the bay area and there's still a chance of thunderstorms. it rained so hard today enough water pooled on to this roof and caused it to collapse. this is the top of the metro polywarehouse in san leandro on aurora drive. the workers blocked off the area and covered the hole with a tarp. meteorologist paul deanno is tracking where the rain is now. paul. >> it's in a few isolated spots but where it is raining it is pouring. if you are heading out on a friday evening even if it's not raining near you, bring the umbrella because when it gets you, it will pour. pleasanton now the bull's eye dublin heading toward you and san ramon and alamo just left fremont and union city. that's a heavy shower with rainfall rates about half inch an hour. that will slow down the commute on 680. campbell we're looking at san jose, saratoga, los gatos heavy showers and towards sunnyvale and cupertino we have some rain. in general calming down but heavier showers are not big, they won't last more than 10 minutes but it will pour in that time frame. updated rainfall totals, kentfield more than 3" of rain over the past three days. san fransco two inches of rainfall. it is no longer the driest water year on record because of that rain. concord nearly two inches. san jose about 1.5". fremont and oakland not far behind. what to expect this evening? it's not going to be a steady raffle but when it does rain, it is going to be heavy and we still have the risk of a thunderstorm off to the south and west. very impressive on the satellite. rarely do we see a storm this de