Tom Waits stopped by The Late Show With David Letterman last night to perform and do an interview with Dave, a chat where Waits showcased his latest eBay purchase, a rat trap from the 1800s. Watch Waits perform Bad As Me opener "Chicago" and the interview below. [videoembed size="full_width" alignment="center"][/videoembed] (via the Audio Perv) Bad As Me is out now ...