In a video posted on YouTube by audience members at the concert, the singer delivers a rousing, profanity-laced political speech on freedom during her show. "Now, it's so amazing and incredible to think that we have an African-American in the White House ... we have a black Muslim in the White House ... it means there is hope in this country, and Obama is fighting for gay rights, so support the man," Madonna said. Mr Obama, who stands for re-election on Nov 6, is Christian. Madonna said later: "I was being ironic on stage. Yes, I know Obama is not...