In a lot of ways, Byron York, in his book The Vast Left Wing Conspiracy, doesn't tell us anything we don't already know: a lot of rich liberals worked together last year to try to put President Bush out of a job. And they failed.

But the new information he presents (Anti-Bushers "found" a confidential PowerPoint presentation by Karl Rove on how to win the election that freaked them out and sparked them to action; Specific numbers that show Farenheit 9/11 wasn't nearly as successful across the country as Michael Moore had many believe, etc.) is richly detailed enough to make York's book a compelling read.

What's hard to figure out, though, is how serious the right should take the threat from the left. York paints a picture of a hopeless echo chamber of Air America Radio, America Coming Together, George Soros, Michael Moore and others that simply never convinced a majority of Americans to get rid of President Bush. York digs in strongly at the hypocrisy of the network of anti-Bush 527 organizations that primed the biggest money machine in political history, after spending years trying to rein in Big Money Politics. And he does it with a straightforward, calm writing style.

In the end, York makes it easy to understand why the MoveOn crowd and its friends need to be kept front-of-mind in the political world: their aggressive, free-spending, anger-driven, Hitler-comparing playbook will certainly be tweaked by the 2006 and 2008 elections, but it's an infrastructure that is going to stick around and keep getting smarter.

Now, if only that playbook contained actual policy proposals that went beyond the "No," and captured the imagination of a few million more Americans, the Republicans might find cause for panic.

And York might find the topic for another book.