One might expect a right-wing shouting head like Bill O'Reilly to help the Republican Party ratchet down expectations for John McCain ahead of tonight's presidential debate. But the Fox News Channel host is raising the stakes. A few minutes before the debate started, O'Reilly said the event will mark the Republican presidential nominee's "last stand." "McCain has to do well tonight, or say goodbye," he added. We're still pretty sure there's a scheme here — O'Reilly's probably got an easy definition of "well" — but this makes it all the more difficult for McCain to spin if he does poorly. Click the video icon to watch the clip. (PS: The commenter liveblog is here in case you missed it.)

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