WHEN IN DOUBT, BLAME DEMS…. Matt Corley found this gem, showing far-right uber-activist Grover Norquist on CNBC yesterday, discussing the economy.

“Well, the economy’s in the present state because when the Democrats took the House and Senate in 2006, you knew that those tax increases were going to come in 2010. The stock market began to collapse as soon as you recognized that those old tax rates were coming back. So, we’re in the middle of responding to those tax increases.”

The substance of such transparent nonsense is easy to ignore. It’s hard to imagine even Norquist believing his own ridiculous rhetoric.

What I find harder to believe is why Norquist was invited onto CNBC to discuss these issues anyway. We’re talking about a guy who’s described the estate tax as the moral equivalent of the Nazi Holocaust. Of course he’s going to make stupid arguments, such as blaming the financial crisis on tax increases that haven’t happened.

Maybe now would be a good time for television bookers to take Norquist’s name out of their rolodexes?

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Follow Steve on Twitter @stevebenen. Steve Benen is a producer at MSNBC's The Rachel Maddow Show. He was the principal contributor to the Washington Monthly's Political Animal blog from August 2008 until January 2012.