Is President Carter Irrelevant?

(AP Photo/Damian Dovarganes)
Mr. Carter followed with a "my bad" moment on NBC's "Today" this morning, saying his remarks were "careless or misinterpreted."
So is Mr. Carter becoming irrelevant? I talked to CBS News consultant and presidential historian Douglas Brinkley who says definitely not.
Author Thomas Friedman on Obama's Afghanistan plan and the war on terror.