Here's an article about it.
Funny thing about Obama ... - Los Angeles Times (external - login to view)
But even better is the Stride Gum commerical explaining why Obama might not be funny. Try to imagine a black man or woman getting randomly butted two times by a goat on the street. In another ad I saw on TV lately from Stride Gum is a white man is cornered in a parking lot and dancers in traditional dress circle him and unload punches and kicks to him. Try to imagine a black man or woman getting these blows. Not likely. Axe hair ads show a man being tackled on the street because women don't like his hair. Then there's the Nissan car ads for the Rogue
YouTube - Stride Gum Commercial -- Office Park
Politically, legally, tehnically we're all equal, but not culturally. If this sort of physical contact can't dished out equally, then these ads have to be pulled. Let's see.