barack obama jokes
He also called climate-change deniers "cray."
Comedy is difficult territory for non-professional performers such as presidents -- and at the Correspondents' Dinner, Mr. Obama actually had the advantage of professional help.
In past speeches, Obama has sought to channel famous Americans ranging from Martin Luther King to Abraham Lincoln. Tonight, he tried for Ronald Reagan.
Get HuffPost Comedy On Facebook and Twitter! Despite this comedians have been thriving in several ways: Colbert has been