 Recently on Wait, Wait, musician Christian McBride talked about being a celebrity. Well, I always say being a famous jazz bass player is being like a famous plumber. Because I might not get invited to the party, but you need me. I'm Peter Sagal. Consider us the rhythm section that makes the week's news danceable. Join us for this week's Wait, Wait, Don't Tell Me from NPR. Tonight at 9 on KNPR and KNPR.com.