Wait Wait... Don't Tell Me! is NPR's weekly hour-long quiz program. Each week on the radio you can test your knowledge against some of the best and brightest in the news and entertainment world while figuring out what's real news and what's made up. On the Web, you can play along too. It takes more than a couple brain cells to make this show what it is... so let's give credit where credit's due: Peter Sagal — Host.