By mid-1944, the U.S. Army was facing a critical shortage of the most important commodity in any war, the common foot soldier. Higher-than-expected casualties during the liberation of France had forced the Army to comb its ranks for replacement infantrymen. Plucked in 1944 from the safety and privilege of the Army Specialized Training Program (the World War II version of the college deferment of the Vietnam years), twenty-two-year-old John Babcock...