Moral dilemmas abound in this week’s season finale of Star Trek: Voyager. Is it permissible to kill a bunch of people if you miss your bus home? Is it permissible to shoot Slimer from Ghostbusters in the face if he’s intent on drinking all of your precious bodily fluids? Is it permissible to torture Rick Worthy if you’re having a really bad day? And it is obligatory to endow the characters in your Star Trek show with clear and consistent motivations?