Ira Glass's sister once met David Sedaris, and commented that he was much nicer than she thought he would be, given his writing. David replied, "I'm not nice, just two-faced." In this story, David shares the thoughts running through his head as he attempts to buy a cup of coffee. His most recent book is Let's Explore Diabetes With Owls. (8 minutes)Below are photos from the show, by Adrianne Mathiowetz.