It sure looks like love: Dexter (Michael C. Hall) has shown a protective streak towards Yvonne Strahovski’s Hannah. He’s resisted the request by his sister Debra (Jennifer Carpenter) to kill Hannah for her string of past murders, slept with her (Hannah, not Debra, though this season even that was a possibility), and, last week, made sure Hannah’s father wouldn’t be able to blackmail her. But this week, information from the father ends up in Debra’s hands, which make