i would get away from some of the arcane things that george packer wrote about, the holds on nominations. but the main thing i would do is change the people and leaders. i would bring back george mitching and bob dole and howard baker and bill cohen and people like that and that's not possible. >> rose: speak to that. you say if everything changed or a lot changed i guess in 1970? '76, was it? >> i think in the late '70s and there's others who trace changes. when bill cohen came into the senate, you were almost the exception to the trend of what began in the late '70s which is extreme polarization. the southern conservative democrats began to die off, they were replaced by republicans. liberal republicans were replaced by more and more conservative remember republicans. jesse helms would be in center of the caucus compared to jim demant and tom coburn and maybe rand paul. so to be honest, we can talk about the responsibility of both parties in escalating the arms race of the filibuster, but what i see as the core ideological problem the the extremism of the republican party has pushed th