steve: kevin kruse, professor at princeton university, thank you very much. prof. kruse: thank you for having me. americane watching history tv all weekend, every weekend, on c-span3. artifacts,american we travel to independence, missouri to tour the area's truman library and museum. truman became president in 1945 after the death of franklin roosevelt and served until 1953. ♪ >> in independence, missouri, the harry s. truman library becomes a realities, fulfilling a long-cherished dream of the ex-president, a noted amateur historian. a crowd of 10,000 witnesses the dedication. mr. truman and chief justice warren both take part in the ritual. >> this library is not the library. it is an archivist's building with the idea of keeping the records of the government in an orderly manner. it will take a little while to get that done. but when you do get it done, this place will be the center of the study of the presidency of the united states. clay: the truman library was actually the second presidential library established and run by the national archives and records