Allan Winkler is a professor emeritus of history at Miami University in Ohio. He is the author of The Politics of Propaganda: The Office of War Information, 1942-1945(1978); Home Front, U.S.A.: America During World War II (1986); Life Under a Cloud: American Anxiety About the Atom (1993); and Franklin D. Roosevelt and the Making of Modern America (2006). His most recent book is "To Everything There Is a Season": Pete Seeger and the Power of Song (2009).