Romney's Rise in Polls; Obama on 'Sesame Street'

Now we move on to the race for the white house. Governor mitt romney with the political wind at his back. There is a report that two members of the governor's family often seen by his side, that's his... See More

Now we move on to the race for the white house. Governor mitt romney with the political wind at his back. There is a report that two members of the governor's family often seen by his side, that's his wife ann and his eldest sonntag have urged a new apprch behind the scenes. 28 days until americans head to the polls, "your voice, your vote," abc's david muir with all the new polls out tonight. David? Reporter: Diane, good evening from the crucial battleground state of ohio tonight. Some of the biggest crowds since his debate performance are lined up for several blocks and a new poll you spoke us in ohio showing the race tightening. The president still in the lead here which is why we're noticing something different from governor romney. More permanent stories, personal connections with people he's met along the way. A more personal, a more emotional mitt romney on the campaign trail. So I was happy to put my hand on his shoulder and thank him and express my love to him and ask god to bless him and he -- Reporter: Speaking of an old classmate he saw at a rally, ailing and in a wheelchair. I got a call from a friend that he died the next day after that visit. It's rare you get the chance to tell someone you love them. So I met with david. Reporter: Romney offering the story of the boy he counseled, losing his battle with leukemia. And stopping the motorcade as the children waved. The image landing right where the campaign wanted -- the front page. the shift is driven by ann romney and their son tagg, a they should show more of the the campaign they should show more of the mitt, more of the dad they know. They campaign said today nonsense, as they work to build on romney's mo from the debate. The obama campaign reminding voters of the other character who came up in the debate, big bird. Romney saying among the cuts he would make, funding to cbs. Would make to bring down the deficit, funding pbs. Bernie madoff. Ken lay. Dennis kozlowski. Criminals. Gluttons of greed. And the evil genius who towered over them? One man has the guts to speak his name. Big bird. Big bird. Big bird. Reporter: "Sesame street" now asking the obama campaign not to use the ad saying they don't endorse candidates. Today a big bird banner over a romney rally. And singer will.I.Am warming up an ohio crowd tonight with a familiar theme song. ♪ Can you tell me how to get how to get to "sesame street." And the president talking elmo on the stump. Governor romney plans to let wall street run wild but he'll bring the hammer down on "sesame street." Reporter: The president here in ohio tonight, the same time as mitt romney underscoring just how crucial this battleground will be. No republicans won the white house without, diane, as we all know without ohio, diane, without you too and we learned that governor romney will be spending four days of this week alone right here in ohio, where I'll be spending some time the next couple of days. You have a lot of noise behind you, thank, you david, from ohio on the campaign trail and david and the rest of the abc news political team will join george stephanopoulos and me when the vice presidential contenders face off "one on one, the candidates debate" moderated by our own award-winning martha raddatz and that's thursday night 9:00 p.M. Eastern, 6:00 central.