In the final moments of the harrowing mid-season finale Rick tells a heart broken Carol to "keep walking." In a television show there are only so many minutes and words aren't cheap. So the words that end a cliff-hanger mid-season finale matter. A lot. Particularly when one of those words is part of the title. The moment was chilling because it made many viewers realize their focus on the show was off from day one. The Walking Dead is not a show about those who are going to make it. But of dead men walking. The zombie apocalypse is a hopeless scenario. Survivors have to survive each other, the environment, normal sickness, and of course zombies. It's impossible to find permanent safety from hordes of undead. It's a waiting game. Someone will get infected at some point and the survivors are hopelessly outnumbered, and in The Walking Dead in particular that will never change because...