uld ke them to take away the deep history ofusic t m here. breathing art form in new orleans and the rest of the country. they don't who say likeazz, or don't know jazz, no jazz songs. it is a part of your life, even if you don't realize it. ♪ >> our city's tour staff travel to new orleans to learn about its rich history. none more about new orleans and other stops on our tour at c-span.org/citiestour. americanatching history tv, all weekend, every weekend, on c-span3. next on the civil war yale , university professor david blight talks about the political , and often religious rhetoric, that frederick douglass used when writing or speaking about abolition or the civil war. this 50 minute talk was part of a conference hosted by the university of virginia center for civil war history. prof. blight: thank you, gary, liz joan, will and other , friends. i learned a long time ago that when they invite you somewhere, just say yes, and then figure out later what you will talk about, or talk about whatever they want you to talk about. because it is a