When Drew Barrymore walks into a karaoke bar, our guess is that the floor is all hers. Good thing that she comes prepared: "I always do the Beastie Boys' 'Paul Revere,'" Barrymore tells Spin. "I'm going to sound like a jackass, so I might as well pick a cool song and be a cooler jackass." No argument there. Now here's a little story she's got to tell, about three bad brothers you know so well ...