you know roy cohn's family were democrats. they were tammany hall democrats. his father was a political appointee judge. but again, we have to understand that cohn had this unerring eye for the main chance. what is it that's going to give me--you know, guarantee me political success and notoriety the fastest possible way? what's the fast track to power? and for him, joe mccarthy was it. c-span: former publisher of the national review, bill rusher, was a--a staff person on the committee? >> guest: no, he wasn't a staff person on that committee. he comes to washington after mccarthy's fall to work for the--the successor chairman, for--the man who takes over the committee afterwards, as--as--as republican chairman, william jenner, for the committee of sub--this permanent subcommittee on investigations, mccarthy's own committee here. and he met mccarthy as a result of his--of his dealings with jenner and john mcclellan, and the other members of the committee. c-span: 'have you no sense of decency?' who said that? >> guest: that's a famous phrase. that is an immorta