We’re somehow already on episode 5 of “Walker’s” first season, and starting to feel a little bit like we’re getting to know the characters. This episode, however, let us get to know someone else a little – Walker’s undercover alter ego, Duke. It was an interesting glimpse into what those ten months were like for him when he was gone, and just how deeply he lost himself in this other persona. If I look at that from my psychologist perspective, it seems like Cordell wasn’t ready to adapt to the loss of his wife, so he threw himself into an entirely different world. Became some...