Walter Johnson en THURSDAY: authors Prof. Walter Johnson and Dr. John La Puma <p>Jim Engster speaks with Professor Walter Johnson, a leading historian, about the history of slavery in the French Quarter of New Orleans, and Dr. John La Puma discusses his latest health book "Refuel."</p><p> Thu, 30 Jan 2014 16:24:04 +0000 Jim Engster & jim 21937 at