Historian and author John Ghazvinian argues that the past fifty years of hostility between the U.S. and Iran are an exception in a much longer relationship marked by fascination, cooperation, and mutual admiration. And an American journalist embeds with a group of young Republican conservationists, to try to pin down what they really value. GuestsJohn Ghazvinian, historian, former journalist and author of America and Iran: A History, 1720 to the PresentGaby del Valle, journalist, article in Harper's Magazine about the American Conservation Coalition