Good morning, readers, from a Phillyist on a plane, killing time on the way to Louisville via Chicago. Yeah, I know that's really out of the way. But then, so is Louisville. Air travel is generally hated by most people. Strangely, though, today's experience has been almost pleasant. Here's why: (1) Tuesday afternoons in December are apparently an awesome time to fly. Business travelers are out of town, going about their midweek business, and......