DOUGLAS G. BRINKLEY: Good evening, everybody. Hello. Good evening. I'm historian Douglas Brinkley, and it's a great honor as always to be here at the council, but particularly to get to introduce to…

Newsweek editor-at-large, Evan W. Thomas III discusses U.S. military history and the various reasons that former presidents have gone to war. This meeting is part of a series hosted with the Nationa…