When the music can't speak for itself (which hers usually can't), she intentionally creates controversy to get herself into the papers.
She may be joking, but I think she's plastered.
"Madonna told fans on Monday night to vote for "the Black Muslim in the White House" who's "fighting for gay rights." Here's footage of Madonna's "endorsement" (her Obama comments come around the 1:50 mark)"
"Hey, she even confused Politico. "