There are some shows that should only be one season. Heroes and Prison Break would have made pretty good one season shows, as they quickly lost their way after the first season. Damian Lewis had his own short lives series, Life, which should have been left off at one season. The first season of Homeland had a lot of promise. A forgotten POW is found in a locked room after being held hostage for eight years, but is he a hero or a villain? That’s the big question our hero, an ambitious CIA agent, has to answer. We are shown…