Born in rural Illinois, Ken Kays was a country boy who flunked out of college and wound up serving as a medic in the Vietnam War. On May 7, 1970, after only 17 days in Vietnam and one day after joining a new platoon, the young medic found himself in a ferocious battle. As a conscientious objector, Kays did not carry any weapons, but his actions during that engagement would earn him the Congressional Medal of Honor. Yet Kays' valor came during just...