'The Walking Dead' Season 4: The long, sad shuffle toward Nowheresville

Where do you suppose "The Walking Dead" is taking us? Or let me put it this way: If I ask you to envision what its final episode might look like a few years from now, what do you see? President Carl Grimes (Chandler Riggs) giving his inaugural address from the steps of a fortified U.S. Capitol to a nation of several hundred non-zombie Americans?