Scarborough to GOP: 'What job is worth selling your political soul over?'

MSNBC's Joe Scarbrough slammed Republican lawmakers on Monday for selling out to President TrumpDonald John TrumpRouhani says Iran will never seek nuclear weapons Trump downplays seriousness of injuries in Iran attack after US soldiers treated for concussions Trump says Bloomberg is 'wasting his money' on 2020 campaign MORE, asking in an interview with CBS "Late Show" host Stephen ColbertStephen Tyrone ColbertInvesting in our people to get the most out of our city Yang: I've received about 12 apologies from media networks during campaign Scarborough to GOP: 'What job is worth selling your political soul over?' MORE: "What job is worth selling your political soul for?"

“That’s what I don’t understand, what job is worth selling your political soul for?” asked Scarborough, a former GOP congressman from Florida who left Republican Party during Trump's presidency. “You can look at the people who are running in Republican primaries, and you can predict what they’re going to do. It’s very disappointing."

Scarborough announced on Colbert's show more than two years ago that he was leaving the Republican Party due to Trump and Republican lawmakers' loyalty to the president. He formally switched to being a political independent in October 2017.

The "Morning Joe" co-host, along with fellow co-host and wife Mika BrzezinskiMika Emilie BrzezinskiBrzezinski on Sanders-Warren: Someone isn't telling the truth Scarborough to GOP: 'What job is worth selling your political soul over?' Mika Brzezinski: Buttigieg's 'age and experience' may explain fade in Iowa poll MORE, once enjoyed a solid relationship with Trump that included mostly friendly interviews before the two had a falling out as Trump clinched the GOP presidential nomination in May 2016.

Scarborough also once said Trump first "pledged his fealty and loyalty" to Russian President Vladimir PutinVladimir Vladimirovich PutinThe Hill's Morning Report - Trump trial begins with clash over rules Don't assume Iran will be behind the next big cyber attack Vladimir Putin will not be president for life but he is sure to have power MORE, while accusing Republicans of "going on national television repeating Putin talking points" in December.

“Donald Trump is either an agent of Russia or he’s a useful idiot. Or he’s somewhere in between, we don’t know what it is,” he alleged late last year.

Trump has not appeared on "Morning Joe" or MSNBC since May 2016, going back to his days as a candidate.