president obam awhich is different from a primary. what is the gravest vulnerability of each candidate in a general election against president obama? >> obviously with romney, it's the romneycare. how will you attack obamacare when have you romneycare-- is that fatal? >> no, it is not fatal? let me ask you this. i was watching the twitter account and david axelrod was watching and he was instrumental in the success of these cam campaigns. in plain explaining the massachusetts plan, mitt offered an elquant explanation of the affordable care act that he says he would repeal. >> that's what obam's's going to say, but i think that romney distinguishes from it and i think by the way, that's not going to be an issue. i think the court will throw it out in june. but in any case, i think that is