Do You Believe in Zombies?

My daughter recently made me sit through back-to-back episodes of the Walking Dead. I love conflicting characters in a stark, dystopian tale, and this one was dripping with emotion. That’s not all that was dripping. It had me longing for the days of low-resolution cathode ray tubes.

My problem is I started to analyze too much (or maybe I shouldn’t be doing marathons of the show). I had to ask stupid questions like: Why do they need to eat human flesh if their bodies are decomposing? How do the...