Twix. They've at the heart of a debate that goes back more than five decades. Lines have been drawn so intractable that friendships, relationships, even nations have been ruined. No, we're not speaking of the Left vs. Right debate. We're talking about the Conflict of Classification that rages to this day. Yes, is Twix candy or cookie?We don't know, but join Claire Saffitz as she attempts to make a gourmet version of Twix.