I'm not the only one. The NY Times' Gail Collins sees the similarity as well:
Remember how we used to joke about John McCain looking like an old guy yelling at kids to get off his lawn? It's only in retrospect that we can see that the keep-off-the-grass period was the McCain campaign's golden era. Now, he's beginning to act like one of those movie characters who steals the wrong ring and turns into a troll.
During that last debate, while he was wandering around the stage, you almost expected to hear him start muttering: "We wants it. We needs it. Must have the precious."
Here's what I wrote after the second presidential debate:
Meanwhile, as Senator Obama spoke, Senator McCain appeared to wander aimlessly around the stage -- lurking in the shadows like a hissing "gangrel creature with an ill-favored look" -- Gollum with a mic.