martin gilens. author of "affluence and influence" which is terrific.thank you very much for being here. >> my pleasure. >>> attention cartographers, if a certain republican congressman has his way, the world's maps will need to be redrawn to honor the star of the movie "cattle queen of montana." that is straight ahead. >>> in august of 1961, the government of east germany began as a home, there are things i'm supposed to do. like, keep one of these over your head. well, i wasn't "supposed" to need flood insurance, but i have it. fred over here chose not to have it. ♪ me, i've got a plan. fred he uh... fred what is your plan? do i look like i have a plan? >>> in august of 1961, the >>> in august of 1961, the government of east germany began construction on a giant wall around the city of west berlin, which happened to lay in the middle of east berlin. you got that? it was as cold as a cold war could be. and it stayed that way for more than 25 years. complete with proxy wars, missile threats, nuclear arms build-ups and john le carr spy novels. then in ju