The following contains MAJOR SPOILERS for the “Allison From Palmdale” episode of Fox’s “Terminator: The Sarah Connor Chronicles.” With rumors flying that “Sarah Connor” might be cancelled soon, I hope this isn’t my last review of this show. Last year had a lot more action, but I don’t think this season has been as bad as some have said. Yes, it’s been more oriented to drama, but I think variety is a good thing in a genre show. I love watching Cameron grind another Terminator’s head into the dust, but every time? This week, we get more drama and some action. Summer Glau gets to play two roles, Cameron the Terminator and Allison Young the human. I think she does a good job of changing characters, good enough for me to be able to follow what was going on. It sure seems that Cameron …