Adolf Hitler arrived at Kroll Opera in Berlin, April 28, 1939 to address the Reichstag. AP Photo Ukrainian soldiers have speculated that Russian troops are fighting while high on amphetamines. Militaries throughout history have drugged soldiers to enhance their performance on the battlefield. Nazi troops were given methamphetamines during World War II to decrease fear and increase aggression. The Russian military may be taking a page from the Third Reich's playbook as the brutal war in Ukraine drags on. A May report from the Royal United Service Institute cited Ukrainian military personnel who said Russian soldiers they encounter often appear...