. >> unhtom brokaw urges americano redefine the american dream. and sunday, live, indepth your questions for the former anchor and managing editor of "nbc nightly news." he has the writ any bout the greatest generation, the 1960s and today. indepth, sunday at noon eastern on cspan 2s, book-tv. >>> social secretaries for former first ladies discuss their time in the white house and the impact their positions have played on setting the tone of the presidential administrations. all three worked in a war time white house. whether it was organizing a barbecue for lady bird johnson or exercising their diplomatic skills at state dinners. the secretaries were the right hands of their