Dennis talks to Ann Karpf, a sociologist and columnist for the Guardian. Her new book is The Human Voice: How This Extraordinary Instrument Reveals Essential Clues about Who We are. A Best of Prager Hour. Originally broadcast on September 14

Dennis talks to David Oshinksy, George Littlefield Professor of American History, University of Texas and author of Polio: An American Story. A Best of Prager Hour. Originally broadcast on July 28, 2005.

Dennis talks to Dennis talks to Mitchell Zuckoff, professor of Journalism of at Boston University and author of Ponzi’s Scheme : The True Story of a Financial Legend. A Best of Prager Hour. Originally broadcast on March 15, 2005.