Barack Obama won the Nobel Peace Prize in 2009 for his "extraordinary efforts to strengthen international diplomacy and cooperation between peoples."

Four U.S. Presidents have received Nobel Peace Prize — each for shaping global diplomacy in unique ways. As Donald Trump calls for his own nomination, we revisit legacies of Roosevelt, Wilson, Carter,

From the moment in October 2009 when Barack Obama was awarded a Nobel Peace Prize that even he didn’t think he had earned, Republicans have been frantic to even the score by getting one of these recognitions for a president of their own.