It's one of the toughest responsibilities a president can face: leading the nation through war. Join NPR's Neal Conan and guests for a look at how war defines a presidency.
David Greenberg, historian and frequent contributor to Slate and Day to Day. Author of Nixon's shadow: The History of an Image.
Stephen Hess, senior fellow in governance studies. Expert in media and the war on terrorism.
Robert Dallek, presidential historian at Dartmouth College
David Sanger, White House correspondent for The New York Times