john kerry went through this in 2004. president obama went through this in 2008 during the primaries, so i think these experiences will forge a stronger candidate but there is no doubt this is not the type of week you want to have. a week ago the consensus conventional wisdom among every political reporter, person that works in republican politics, mitt romney would win the south carolina primary and the race would be effectively over. and this has entirely changed over the course of the week and it is hard to imagine scenario where seven days ago you could have pictured having a worse week than the one he's having. >> seven days ago mitt romney won iowa. he had won iowa. he may be one for three at the end of the weekend, we thought he would be three-for-three. what was your mccain's campaign main strategy against mitt romney in 2008? what did you see as his biggest strength and how did you try to