Michael Cogswell heads the Louis Armstrong House & Archives. The archive contains 5,000 photographs, 350 pages of autobiographical manuscripts, 270 sets of manuscripts band parts and 650 homemade tape recordings. We'll hear excerpts from the tapes. Cogswell has just opened a museum and educational center at the Louis Armstrong House in Queens, where Louis and his wife Lucille lived for almost 30 years. Cogswell's new book is Louis Armstrong: The Offstage Story of Satchmo.