Nucky has a bad feeling Eli is the skunk. If you watch the preview to the finale, you see Eli with a gun to his forehead, if you look it seems Nucky's the one pointing it at him. This has been such a killer season, and I have a feeling Scorsese wont disappoint us with the finale. And your right, one of Oscar's sons or whoever left the house during the chess game and wasn't outside shooting at Narcisse's men just the other two Winston and the other one.