It was a cold, gray morning in northeast France when Pfc. Silvestre Herrera's unit came under heavy fire from a Nazi artillery barrage. Armed with only a hand grenade and his M1 rifle, Herrera fixed his bayonet and mounted a one-man charge, single-handedly capturing eight German soldiers, then killing two more and pinning down the enemy despite having had both feet blown off by a mine. A few months later he was back home in Phoenix when the...