The Jewish U.S. soldier who was instrumental in finding Adolf Hitler's last will and testament during World War II has died at the age of 86. Arnold Hans Weiss – born Hans Arnold Wangersheim – a banker and attorney who lived in Chevy Chase, Maryland, died of pneumonia. His wife predeceased him in 2005; he is survived by two sons and three grandchildren. Weiss played a pivotal role in the final days of the war as a member of a counter-intelligence unit. Together with a British intelligence officer and historian, and a second U.S. intelligence agent, Weiss helped track down...