Newt Gingrich grabbed cable news chatter all week after Twittering that Supreme Court nominee Sonia Sotomayor was a “Latina woman racist.” The ensuing controversy has not moderated his opposition.

Today, Renewing American Leadership, a 501(c)3 nonprofit that he heads, sent out an email to supporters calling on them to both “send blast faxes” to U.S. Senators demanding opposition to Sotomayor and contribute money to help the fight.

Gingrich’s email repeats a series of debunked lies, before arguing that Sotomayor is “a bigot” who should be “FORCED to WITHDRAW.” His letter goes on to say that Sotomayor is “a judge who will interpret the law based on her ethnic background, rather than based on the LAW…. [T]his judge is making it CLEAR that she thinks she SHOULD be biased and partial, based on her ethnicity and gender!” (All-caps in the original.)

Chances are, Gingrich is throwing a ridiculous tantrum because he thinks it will help fundraising. The more hysterical he gets, the more checks come in.

But I’m curious about what Newt’s buddies might think about this. Late yesterday, Sen. John Cornyn of Texas, the chairman of the National Republican Senatorial Committee, denounced Gingrich’s attacks as “terrible” and “wrong” — and that was before today’s hysterics. Cornyn told NPR, “This is not the kind of tone any of us want to set when it comes to performing our constitutional responsibilities of advise and consent…. I certainly don’t endorse it.”

As it turns out, Cornyn will have a chance to show how much he means that.

Lost in the hoopla over NRSC Chairman John Cornyn’s (R-Texas) criticism of Newt Gingrich and Rush Limbaugh is that fact that one of these men is set to help him raise lots of money. […]

[O]n June 8, Gingrich is the headliner for one of the biggest GOP fundraisers of the election cycle, where the NRSC and the National Republican Congressional Committee (NRCC) will raise millions.

So, Sen. Cornyn, is Gingrich still invited? Should Republican candidates seek fundraising support from someone who engages in these ugly, race-based smears?

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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.