So one night I'm watching Letterman. Every episode of Letterman, as well as every 'tonight' variety show, starts off with the monologue. This night Letterman couldn't get through his, he had to stop and explain something to the viewers at home.
He was said that when he'd been warming up the audience that night he'd seen a couple in the front of the audience wearing clothes covered with the Canadian maple leaf emblem. So in a fit of the stupid irony that pretty much in his whole joke, he asked them to stand up and tell everyone where they were from. The guy stood up, looked back over his shoulder and shouted 'BRAZIL!'.