actually recollected for me how and president clinton spoke he talked about wishing he had done welfare reform prior to doing health care. and i think what we see in both of these examples is both of these presidents thinking and believing that perhaps the more partisan issues would have been easier if they had had a bipartisan base on which to work. >> host: julian zelizer, can senator henry craig, harry reid, bob byrd affect a presidency? >> guest: absolutely. i think, you know, every president learns from the perspective of the white house, capitol hill looks pretty powerful, much more than it does on the campaign trail. i think as senate majority leader speaker and an older year of committee chairs have enormous power. you know, president john f. kennedy, when he came in office, one of the people he was worried about was wilbur mill, was the chairman of the house ways and means committee and before a famous camel control some of the most powerful issues, medicare for 65, social security. before that, taxation. and kennedy said cohen also chairman before he got here. also the chairma