CNN anchor Brianna Keilar blasted former Rep. Sean Duffy Sean DuffyCNN's Ana Navarro to host Biden roundtable on making 'Trump a one-term president' Bottom line McCarthy blasts Pelosi's comments on Trump's weight MORE (R-Wisc.), himself a CNN contributor, on Tuesday after he suggested Lt. Col. Alexander Vindman, who fled Ukraine as a child, was motivated by "an affinity" for his "homeland."

"That is some anti-immigrant bigotry, and it’s an odd questioning of patriotism coming from Sean Duffy, the guy who spent part of his 20s on MTV's 'The Real World' and 'Real World/Road Rules Challenge,'" Keilar said Tuesday, contrasting Duffy’s career with that of Vindman, a Purple Heart recipient who served in Iraq.

CNN's Brianna Keilar absolutely scorches her new colleague Sean Duffy:



"That's some anti-immigrant bigotry and it’s odd questioning of patriotism coming from a guy who spent his 20s on MTV's The Real World and the Real World/Road Rules Challenge" while Vindman served in Iraq pic.twitter.com/dCF7cQ6zgM — Justin Baragona (@justinbaragona) October 29, 2019

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The remarks, Keilar said, were “a sign of how desperate some of the president’s backers are as they try to defend him against what Vindman, perhaps the most credible and knowledgeable witness so far, has to tell Congress.”

Duffy’s fellow contributor Jeffrey Toobin also blasted Duffy’s remarks, calling them "insanity and, frankly, anti-immigrant bigotry."

In another CNN segment, Jeffrey Toobin refers to Duffy's "insanity, and frankly anti-immigrant bigotry." pic.twitter.com/wV3QEuNByH — Matthew Gertz (@MattGertz) October 29, 2019

In an interview Tuesday morning, Duffy suggested Vindman’s Ukrainian background influenced his testimony to the House committees. Vindman had twice voiced concerns about a phone conversation in which President Trump Donald John TrumpFederal prosecutor speaks out, says Barr 'has brought shame' on Justice Dept. Former Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick MORE pressured Ukrainian President Volodymyr Zelensky to investigate former Vice President Joe Biden Joe BidenFormer Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick Bloomberg rolls out M ad buy to boost Biden in Florida MORE’s son Hunter Biden.

"It seems very clear that he is incredibly concerned about Ukrainian defense," Duffy said. "I don't know that he's concerned about American policy. ... We all have an affinity to our homeland, where we came from. ... He has an affinity, I think, for the Ukraine," he continued.

House Republican Conference Chairwoman Liz Cheney Elizabeth (Liz) Lynn CheneyGOP lawmakers distance themselves from Trump comments on transfer of power Graham vows GOP will accept election results after Trump comments Liz Cheney promises peaceful transfer of power: 'Fundamental to the survival of our Republic' MORE (R-Wyo.) also condemned the remarks, saying Tuesday that it was “shameful” to question “the patriotism [and] the dedication to country of people like Mr. Vindman, Lt. Col. Vindman, who will be coming today, and others who have testified.”

Duffy attempted to defend the remarks on Twitter on Tuesday, tweeting, “My point is that Mr. Vindman is an unelected advisor, he gives ADVICE. President Trump sets the policy.”