Geoffrey Perret discusses his new book Commander In Chief: How Truman, Johnson, and Bush Turned a Presidential Power into a Threat to America’s Future and how the wars in Korea, Vietnam, and Iraq and the consequences for Americans.

MP3 here. (16:57)

Geoffrey Perret was educated at Harvard University and the University of California at Berkeley. He was enlisted in the U.S. Army for three years and is the author of the acclaimed books Ulysses S. Grant and Eisenhower. He lives in England with his wife.