November 11 of this year marks the 100th anniversary of the Armistice that ended World War I. Over the course of that conflict, 116,516 American military personnel lost their lives. The deadliest battle in U.S. history was at Argonne Forest, from September 26, 1918, lasting more than a month, until the Armistice. The battle involved more than one million American soldiers and resulted in more than...