seconds without saying something that contradicts something he said the week before, the month before, that gets the base upset, that is confusing, that reporters can't quite understand? i don't know how he does it. he's tied himself into knots on this particular question. on the other side, i do know some obama aides who are a little worried that the president, who sometimes can be overly professorial, may use the time not to his advantage either. they'd like to see more succinct answers. they each have the opposite issue to deal with. how romney can speak coherently about health care in a way that's convincing and obama doesn't go too far down the debate. >> i think he's going to get through this on sheer unadulterated memory. what we saw on "60 minutes" seemed like opening arguments. scott pelley interviewed mitt romney, and steve krupp interviewed president obama. take a look at their competing visions for the government, what we should be doing in the federal government.