stumble in new hampshire and be gone. they're hoping that the perry campaign is, that santorum doesn't do nearly as well in new hampshire and he's weak when he gets here. dana, one of the fascinating things we saw today -- i call this the frenemy triangle -- go back in time, no love lost between mitt romney, john mccain, rick santorum. mccain made a choice here. he and romney went at it pretty good in 2008 but in a longer period of time in the senate he and rick santorum developed more bad blood. so john mccain had a choice. essentially a tie in iowa, mccain chooses romney. take us behind that one. >> reporter: i think it's definitely a love triangle, there's some hate but it's a love triangltriangle, no questit it with the three of them. right, romney and mccain went at it big time and they kissed and made up in the general election in 2008, and rick santorum is somebody who has always had a very, very tense relationship with john mccain. i remember covering both of them in the united states senate,