In the late nineteen sixties, the author made a life-altering journey that led him out of Texas and into the U.S. Marine Corps and eventually into the jungles of Vietnam as a machine gunner during the tumultuous year 1968.   'Valentine's Day' (so named because Van Bidder's unit, 2nd Battalion, 27th Marine Regiment, departed Camp Pendleton for Vietnam on February 14, 1968) is a very excellent read.  What makes it so is the straightforward accounting by the author on the horror,...