it's so striking that a smart, in some cases very smart very talented dalton trumbell wrote "johnny got his gun" a superior guy some way us how could people like this, self-aware miami, wind up in effect working on behalf of joseph stalin and then by extension, adolph hitler. what would drive them to do something like is that? >> guest: my view is they really did believed in communism. they did believe that -- in my book i point out these people were willing to -- a perfect example, a famous screenwriter, and he did the philadelphia story, and who was that -- katherine hepburn and all that, and he did -- he was a funny guy, came he became a revolutionary socialist, and in -- he headed the league of american writers -- he was quote, elected in '37-'39 and writes a memoir about that. he was always a revolutionary socialist, and he says the communists controlled -- i was had of it but the communists were in control. hedges that. then he says i believed in the idea there would have to be a revolution in the united states where the have-notes would take from the haves. it was inevitable and