Letterman's show has the OK of the WGA, Leno and Conan don't, but they'll all be back on the air, with or without writers, on January 2.
Editorial note: Whoa! You've found a super-old post here on BuzzFeed, from an earlier era of the site. It doesn't really represent where we are anymore, and may in fact be totally broken, but we're leaving it up as a part of our early history.