There's more than just idle curiosity in asking this question. With the White House Correspondent's Dinner coming up on Saturday night, President Obama is expected to mouint the platform and perform for about 20 minutes, reeling off a series of one liners directed at his enemies - and, more importantly, himself. Except Obama apparently doesn't do self depcrecating humor well, according to this Todd Purdum article in Politico. President Barack Obama is very smart (as he could tell you). He is also very funny (and the first to laugh at his own jokes). He is a master of comic timing, has an appealing sense of the absurdities of his chosen profession and an unerring ear for the withering one-liner. As long as the subject is someone else. When it comes to the sine qua non of political humor — devastating self-deprecation — Obama is less skilled or at least less willing to play an A game, as this weekend’s White House Correspondents’ Dinner...(Read Full Post)