missing from our politics so often today and so i'm sure that both presidents, not through their presence but their words they're going to address that, along with their experiences with senator mckind as an opponent and as a friend. >> don woujohn would want that. >> he would want it. he clearly orchestrated it. jeff zeleny, it wasn't sweetness between bush and obama and mccain. he wouldn't want us to gloss over that either. >> generational difference, john mccain thought he should be president not once but twice, but that 2000 primary so bitterly with george w. bush. that took him many years to get over. they of course share the same party and shared the same view initially on the iraq war. it was the generational