Former White House aide Sebastian Gorka Sebastian Lukacs GorkaSunday shows preview: Trump, lawmakers weigh in on COVID-19, masks and school reopenings amid virus surge Trump taps Gorka for national security advisory board Sunday shows preview: Coronavirus poses questions about school safety; Trump commutes Roger Stone sentence MORE took aim at Rep.-elect Alexandria Ocasio-Cortez (D-N.Y.) and progressive members of the Democratic Party in a new interview, asserting that former President Kennedy would not be welcome in the modern-day incarnation of his party.

In an interview airing Sunday on AM 970 in New York, Gorka tells "The Answer" host John Catsimatidis that a "hardcore, pro-national security politician" such as Kennedy would be unwelcome in the party.

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"Today, a hardcore, pro-national security politician like John F. Kennedy would not be allowed in the Democrat party. That’s how bad it is," Gorka says, adding: “The lunatics are taking over the asylum ... Bill Clinton William (Bill) Jefferson ClintonEpstein podcast host says he affiliated with elites from 'both sides of the aisle' Ruth Bader Ginsburg lies in repose at Supreme Court Business groups start gaming out a Biden administration MORE and his ilk would at least rein in the loonies."

"When you’ve got Kamala Harris Kamala HarrisHarris faces pivotal moment with Supreme Court battle Nearly 40 Democratic senators call for climate change questions in debates Joe Biden has long forgotten North Carolina: Today's visit is too late MORE comparing [the Department of Homeland Security] and [Immigration and Customs Enforcement] to the [Ku Klux Klan] ... When you’ve got Ocasio-Cortez, who’s publicly calling for a socialist revolution ... you understand that the Democrat party has been taken over by radicals," Gorka adds in the interview.

Kennedy was frequently attacked during his 1960 campaign for president by Republicans for policies called socialist at the time, including a plan for government grants for students to attend medical schools and federal funding for programs aimed at helping the poor.

Ocasio-Cortez, a member of the Democratic Socialists of America, won election to Congress last week after defeating incumbent Rep. Joseph Crowley (D-N.Y.) in her district's primary election earlier this year by double-digits.

Earlier this week, the congresswoman-elect joined protesters in House Minority Leader Nancy Pelosi Nancy PelosiHoyer: House should vote on COVID-19 aid — with or without a bipartisan deal Ruth Bader Ginsburg lies in repose at Supreme Court McCarthy threatens motion to oust Pelosi if she moves forward with impeachment MORE's (D-Calif.) office to demand the formation of a congressional committee on climate change.