Or he must be feeling extremely tired, or grumpy, or disengaged, or something. Selections from his debate live-blog:

9:13 - Come on, guys. Let’s pick up the pace. So far this isn’t even as interesting as a stump speech.

9:22 - If the audience-o-meter is any indication, these guys are putting the entire country to sleep.

9:31 - This is just excruciatingly boring.

9:39 - McCain: I hate President Bush. I’m a maverick!

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Justin Peters is editor-at-large of the Columbia Journalism Review.