herbert hoover and his relationship to other presidents. >>> in the meantime time on cspan 2, it's book tv on prime time. our focus will be science, first kelly wiener smith on their book soonish. then microsoft ceo talks about the reinvention of microsoft, in his book, hit refresh. aft and matter massachusetts institute of technology physics professor talks about the concept of artificial intelligence, in his book "life 3.0". and then coming up tonight on cspan, former secretaries of state states condoleezza rice, madeleine albright, laura bush and nikki haley. it includes opening remarks by first lady laura bush. here's a brief look. >> and i think we have to recognize that we are dealing with a president of a country of russia who is a kgb agent and they know how to do propaganda. and what they're doing is using information in a way to undermine the system, democracy, what they want to do is undermine the democracies in europe and separate us from europe and i do believe that they have figured out how to make our life more complicated in every single way through various new methods, tweets and thoughts and various aspects and we are an open socie