Fox News host Tucker Carlson dismissed on Monday an immigration attorney’s argument that all American residents should be given the right to vote, saying he was from a country “controlled by conquistadors.”

Cesar Vargas, who came to the U.S. from Mexico illegally when he was a child, appeared on "Tucker Carlson Tonight," where he argued that the right to vote should be expanded to include anyone who lives in America.

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"I think it goes to the concept of citizenship. As a nation, we have matured from only free, land-owner, white people — to now women and African Americans," said Vargas, who is able to remain in the U.S. because he has a green card.

"Don’t hit me with the race crap," Carlson interjected. "As a citizen of a country controlled by conquistadors, don’t lecture me about this stuff."

"I believe that we should open the franchise, the right to vote, to everyone," Vargas asserted.

Carlson broke out into a fit of laughter at that suggestion.

"I must say, I don’t know what 'chutzpah' is in Spanish, but for you sitting here illegally and we’re not reporting you or having you, like, taken out by force ... You’re telling me that the essence of our country is not the Constitution, it’s letting illegals vote?" Carlson said.

"It’s about us truly embracing that everyone can be an American," Vargas retorted.

The back-and-forth comes as President Trump Donald John TrumpSteele Dossier sub-source was subject of FBI counterintelligence probe Pelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Trump 'no longer angry' at Romney because of Supreme Court stance MORE has renewed the focus on illegal immigration and his desire to change the country's immigration laws.

The president took to Twitter on Sunday to claim that he would be willing to shut down the government in September if Congress did not provide adequate funding for his border wall and implement changes to legal immigration program.

Trump doubled down on that threat on Monday, though he said he'd be willing to negotiate.

The president has repeatedly railed against existing immigration laws, claiming they are the "worst" in the world and that they make the U.S. a "laughingstock."