MSNBC host Joe Scarborough on Friday tore into President Trump Donald John TrumpBiden on Trump's refusal to commit to peaceful transfer of power: 'What country are we in?' Romney: 'Unthinkable and unacceptable' to not commit to peaceful transition of power Two Louisville police officers shot amid Breonna Taylor grand jury protests MORE and the Republican Party, saying that the GOP under Trump "no longer deserves to survive" and accusing them of being blinded by a "tribal" mindset.

"What loyal American would embrace a 'Putin First' foreign policy that aligns U.S. interests with a Russian dictator’s goals rather than those long championed by America’s military and intelligence communities?" Scarborough, who formally left the GOP and registered as an independent in 2017, writes in an opinion piece for The Washington Post.

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Throughout the op-ed, Scarborough questions how a significant amount of the GOP can support the idea of the U.S. pulling out of NATO, pointing to a recent poll that said 40 percent of Republicans support staying in the alliance.

Scarborough, a frequent critic of the president, questions if those surveyed that wanted to leave NATO were "sleepwalking through history while our North Atlantic allies stood shoulder to shoulder with the United States during that long, twilight struggle against Communist Russia?"

"Have they forgotten that during that Cold War, nothing less than the planet’s survival hung in the balance?" Scarborough asks. "Are today’s Republicans now so tribal as to blindly endorse a foreign policy warped by Trump’s obvious allegiance to a former KGB chief who controls Russia through repression, bribery and political assassination and who has called the collapse of that evil empire the "greatest geopolitical tragedy of the 20th century'?”

He goes on to ask how any Republican could not be "repulsed" by the performance from Trump during the summit with Russian President Vladimir Putin on Monday — one where Trump refused to denounced Russian interference in the 2016 election.

Trump and the White House have attempted to walk back those comments, with Trump saying in an interview with CBS on Wednesday that he holds Putin responsible for election interference from Moscow in 2016.

But, Scarborough notes how Republicans' minds are not changing when it comes to their views of how Trump is handling Russia. And he concludes by saying that if anything, the events in Finland threw into focus that the "president of the United States is under the thumb of Putin."

"And the Republican Party he leads no longer deserves to survive," Scarborough writes.