Former Illinois Rep. Joe Walsh Joe WalshSunday shows preview: Protests continue over shooting of Blake; coronavirus legislation talks remain at impasse Republicans officially renominate Trump for president Tucker Carlson responds to guest correcting pronunciation of Kamala Harris's name: 'So what?' MORE (R) said Tuesday that he does not believe President Trump Donald John TrumpBarr criticizes DOJ in speech declaring all agency power 'is invested in the attorney general' Military leaders asked about using heat ray on protesters outside White House: report Powell warns failure to reach COVID-19 deal could 'scar and damage' economy MORE can be defeated in a GOP primary.

Walsh tweeted a string of messages following Trump's overwhelming win in the Iowa caucuses, calling for a new political movement for conservatives such as him, while blasting the modern-day Republican Party as a "cult."

"I spoke in front of 3,000 Iowa Republicans last night. It was like a MAGA rally. I told them we needed a President who doesn’t lie all the time. The crowd booed me. I told them we needed a President who wasn’t indecent & cruel. The crowd booed me," Walsh tweeted.

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"Afterwards, I realized again that my Republican Party isn’t a Party, it’s a cult. I realized again that nobody can beat Trump in a Republican primary. And most importantly and most sadly, I realized again that I don’t belong in this party. I have no home in this party," he continued.

"And I realized again that something new needs to begin. Whether it’s a political party, or a movement, I don’t know. But there needs to be a home for conservatives who are decent, principled, and respectful. Conservatives who embrace all God’s children, acknowledge that climate change is real, get serious about our debt, abide by our Constitution, and tell the truth. I hope to be a part of this new party. This new movement. But job #1 in 2020 is to stop Trump," Walsh concluded.

I spoke in front of 3,000 Iowa Republicans last night. It was like a MAGA rally. I told them we needed a President who doesn’t lie all the time. The crowd booed me. I told them we needed a President who wasn’t indecent & cruel. The crowd booed me. 1/ — Joe Walsh (@WalshFreedom) February 4, 2020

to stop Trump. Let’s make sure Trump is defeated in 2020, then we get back to respectfully debating issues. Instead of talking about Trump everyday. Let’s put aside our differences on certain issues now and understand that Trump is the single greatest threat to this Republic. 9/ — Joe Walsh (@WalshFreedom) February 4, 2020

Walsh was one of two GOP candidates, the other being former Massachusetts Gov. Bill Weld William (Bill) WeldRalph Gants, chief justice of Massachusetts supreme court, dies at 65 The Hill's Campaign Report: Biden visits Kenosha | Trump's double-voting suggestion draws fire | Facebook clamps down on election ads Biden picks up endorsements from nearly 100 Republicans MORE (R), who competed and lost to Trump in Iowa's GOP primary Monday night.