Is This the End for “The Leftovers?”

HBO hasn’t revealed what’s next for “The Leftovers,” and Margaret and Matt are hoping for very different futures for the show. Plus: a spirited debate about the best way to watch “Battlestar Galactica,” and why it’s one of the most accurate depictions of the American psyche in the post-9/11 world.   This episode is sponsored by Texture and GE Podcast Theater’s “The Message.”   Spoilers throughout for both “The Leftovers” and “Battlestar Galactica.”