thompson joans talk about investigation of thousands of leaked state department cables, also coming upemple university sarah describes possible solutions to rising college tuition costs and this weekend representative david on time in congress and economic challenges facing the country. >> if you got your eye on becoming leadership, et cetera, there's nothing wrong with that. there's a lot of guys in seniority and wisdom along with that, but this days the money is so dominant. 80% outside votes go to presidential candidates and yet the american people just put all incumbents again roughly in congress. so there's an amazing power of the purse of winning elections and on top of the money part, people are lining themselves out to be a chairman of the committee. people want to do that, right, but if you vote with leadership in order to get that slot, you can just start looking. both sides do it. >> after words airs on book tv every saturday at 10:00 p.m. and sunday at 9:00 p.m. eastern. you can watch all previous after words programs on our website booktv.org. >> after the spread of the co