US President Barack Obama winks as he tells a joke about his place of birth during the White House Correspondents Association Dinner in Washington, DC, April 28, 2012. The annual event, which brings together US President Barack Obama, Hollywood celebrities, news media personalities and Washington correspondents, features comedian Jimmy Kimmel as the host. AFP PHOTO / Saul LOEB (Photo credit should read SAUL LOEB/AFP/GettyImages)