The president's multiracial heritage has been a subject for oceans of commentary in America and around the world. But it's also been a cause for teasing, and even satire.

"The first black president!" exclaimed comedian Wanda Sykes at a dinner last year of the White House Correspondents' Association. "I'm proud to be able to say that. That's unless you screw up. And then it's going to be, 'What's up with the half-white guy?'"

-- http://www.huffingtonpost.com/2010/04/02/obama-census-choice-afric_n_524012.html