Transcript for Super Tuesday: Will Romney Put It Away?
For Tuesday -- now let's hear voters go to the polls coast to coast in ten states the most delegates yet at stake. Thank you Mitt Romney win enough -- them to tonight to put this race away that's the big question your voice your vote. -- -- Jon Karl starts us off from the capital the night's biggest prize Ohio. Good morning George it has come to this today the biggest day yet in the battle for the Republican nomination. And of all those states voting today none is more important than this one. Battleground Ohio. Mitt Romney hopes with a big win in Ohio today he can prove the doubters wrong -- taken giant leap towards clinching the Republican nomination. If you do your job tomorrow. -- we're gonna win this thing. Romney is relying more than ever now -- -- -- one -- an interview on Fox News BP says her struggles with MSN taught her to be more compassionate I don't even consider myself weapon which is an interesting thing I. I I it's it's can be here today and gone tomorrow how I measure riches is by the friends I have in the loved ones I have and the people that. I care about my life Romney's most effective weapon in Ohio has been his onslaught of negative ads most of them -- debt Santorum Rick Santorum just another Washington -- -- campaigning in western -- Ohio Santorum said Romney's big spending attacks or assign of his weakness. The people of Ohio here today here in west -- -- standing strong and firm for us said and not believing all of the negativity. Warning not someone who -- just how their opponent into the ground but someone who could lift up the country. Santorum told us it's a victory for him to still be standing women whether we end up with -- most of -- that were women I did. Being -- spent twelve -- -- here in Ohio I mean it's in the David and Goliath just negative ad after negative that 24 sevenths. Former First Lady Barbara Bush is supporting Romney. When -- first lady's conference in Dallas she said she too is appalled by the negative tone of the campaign. I think the worst campaign I've ever seen in my life. I would like this campaign debate over. But it may not be over for -- while no matter what happens today even a big Mitt Romney win. Rick Santorum and Newt Gingrich had made it clear they -- in this for the long haul George K John thanks very much.
This transcript has been automatically generated and may not be 100% accurate.