an then jim jeffords made the jump. when that happened, john decided that there was really little value in his coming as well, because we were then in the majority. >> it's like remember that movie "sliding doors" where things happen and it changes a person's future, never mind in this case the future of many other people, never mind american history. imagine if john mccain left the republican party. he wouldn't have been able to run for president, to be the nominee in 2008. but not just that, it really is a reminder of the very turbulent relationship that john mccain has had historically with his own party. >> no question about it. if you look at some of his biggest foils, if you will, it was mitch mcconnell on campaign finance. they loathed each other for years. now, that changed over the last decade. but whether it was the base of the party which senator mccain was battling with, you mentioned the primary issues that he had, but senior republicans, top republican minds, he would often run headlong against them. but h