President Obama is half white!
Beck is stoking white supremacist anger by insisting that the president hates white people. In other words, he's suggesting that it's okay to dislike President Obama based on racial terms. And because Beck is saying this from a position of authority, it has the flavor of legitimacy -- a permission slip for racists to further entrench in their backwards, antiquated bigotry. This is race-baiting in its purist form.