>> oliver: december, 1941, surprise attack on pearl harbor forced the nuance a two-front war. in those early dark days, allied victory was far from certain. >> i have nothing to offer but blood, toil, tears and sweat. >> his phrase. >> the truth had to be protected by a bodyguard of. it was lie if necessary. >> in this war of national survival. truth in pictures was defining casualties. hollywood judged on board producing propaganda films. this mixed real footage with japanese pilots.