The final episodes of Mad Men unfold over the course of 1970, and most of the main characters seem to be settling into a resolution of their story arc, with one major exception: Don Draper. Last seen waiting at a bus stop in Oklahoma, having given his car away to a young con artist and encouraging him to make the most of his chance at a new life, there's no clear indication of where Don ends up in this Sunday's finale. There are predictions, yes, but even the best-researched of them feel like they're missing something. And that something lies in the world of college football.