Juliet certainly took one for the team last May and is definitely dead, but she's slated to return (in one way or another) this season. Claire and Boone are back, too. Tonight, in fact. But in the flesh or as ghosts? And last we saw Locke, he was alive in Jacob's bunker inside the Taweret statue and dead in that crate on the beach. What gives? All we really know about the final-season opener is what the producers have told us: "The aftermath from Juliet's detonation of the hydrogen bomb is revealed...