Mark speaks with authors Lynn Vincent and Sara Vladic about their new book, Indianapolis, a study of the worst sea disaster in U.S. Naval history. Published by Simon & Schuster, Indianapolis is the story of the ship that delivered the atomic bomb in 1945, then was sunk by Japanese torpedoes. It relates individual stories of the sailors, their ordeal in shark-infested Pacific waters awaiting rescue, the aftermath and media coverage, as well as the families of the lost and efforts to exonerate the captain after his court martial.