they've had campaign ads, ad naush shum in recent weeks but in a few hours all the jockeying will give way to actual votes. mitt romney is neck and neck with ron paul but rick santorum has rocketed into the hunt and my co-an authorize terry moran is in iowa with all of it. terry? >> reporter: bill, the republican race here in iowa has been an absolute roller coaster with conservative voters falling in and out of love with every candidate. everyone that is except for mitt romney and tonight while romney leads in the polls the man of the moment is rick santorum. he is basically moved -- spent a lot of time here and in the final hours of this campaign it is finally paying off for him. we joined him on the trail today. what a difference a week makes. >> rick. >> reporter: just a few days ago he couldn't buy media coverage and could walk into his events unmolested. today we tried to talk to him to take the pulse of his surging campaign, look ahead to the coming contest and got into a crazed media scrum. senator, do you think you have the organizational legs to go forward? people say you've