Hour 2: Who was the namesake of Mark Twain’s famous character Tom Sawyer and what was his life like in the San Francisco of the 1850s and 1860s? We’ll find out this hour with writer Robert Graysmith, who tells the story in his new book “Black Fire: The True Story of the Original Tom Sawyer–and of the Mysterious Fires That Baptized Gold Rush-Era San Francisco” (Crown, 2012).
