Democratic senators on Tuesday praised Sen. Jeff Flake Jeffrey (Jeff) Lane FlakeJeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Republican former Michigan governor says he's voting for Biden Maybe they just don't like cowboys: The president is successful, some just don't like his style MORE (R-Ariz.) for his retirement-announcing speech, which called out the GOP for its "reckless" support of President Trump.

“We must never regard as normal the regular and casual undermining of our democratic norms and ideals,” said Flake, who has repeatedly clashed with the president and his advisers.

Flake called out Trump for what he sees as his “coarseness,” his “personal attacks” and his “flagrant disregard for truth and decency” in remarks made minutes after Trump met with Republican senators for a strategy lunch.

"Senate is losing a good man in @JeffFlake. He made an excellent statement of principles," said Sen. Jeff Merkley Jeffrey (Jeff) Alan MerkleyThe Hill's Morning Report - Sponsored by The Air Line Pilots Association - Trump, Biden renew push for Latino support Sunday shows - Trump team defends coronavirus response Oregon senator says Trump's blame on 'forest management' for wildfires is 'just a big and devastating lie' MORE (D-Ore) in a tweet with a link to video of Flake's fiery remarks on the Senate floor.

Senate is losing a good man in @JeffFlake. He made an excellent statement of principles. Trump’s rhetoric & actions are dangerous & divisive https://t.co/F3BehlyXHe — Senator Jeff Merkley (@SenJeffMerkley) October 24, 2017

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Flake, an outspoken conservative critic of the president, said that Trump was guilty of "regular and casual undermining of our democratic norms and ideals."

The senator, who will not seek reelection in 2018, said he could no longer "stay silent" against Trump, and that the Republican Party no longer had room for his own conservative views.

Senate Minority Leader Charles Schumer Chuck SchumerJacobin editor: Primarying Schumer would force him to fight Trump's SCOTUS nominee CNN's Toobin: Democrats are 'wimps' who won't 'have the guts' to add Supreme Court seats Republican senator says plans to confirm justice before election 'completely consistent with the precedent' MORE (D-N.Y.) said that Flake "is one of the finest human beings I've met in politics" and he "will be missed."