Former CIA Director John BrennanJohn Owen BrennanEx-CIA director blasts Trump over 'temper tantrums' Ex-CIA director: 'I don't have any doubt' Trump will pardon Manafort Senate Dems request probe of White House security clearances MORE on Monday called President TrumpDonald John TrumpTrump mocks wind power: 'When the wind doesn't blow, just turn off the television' Pentagon investigator probing whether acting chief boosted former employer Boeing Trump blasts McCain, bemoans not getting 'thank you' for funeral MORE “selfish” after the president tore into former Senate Majority Leader Harry ReidHarry Mason ReidBernie campaign 2.0 - he's in it to win it, this time around Dems wrestle over how to vote on ‘Green New Deal’ Senate confirms Trump court pick despite missing two 'blue slips' MORE (D-Nev.).

Brennan, a frequent critic of Trump, took issue with the president's tweet accusing Reid of trying to “put a good spin on his failed career.”

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“You shame yourself & the Office of the Presidency every time you try to smear those who dedicate their lives to public service,” Brennan tweeted. “These elected officials, like so many others, have worked selflessly on behalf of their fellow citizens, something unfamiliar to one as selfish as you.”

 

Trump claimed in a tweet earlier Monday that Reid “got thrown out” of Congress, but Senate Democrats' longtime leader did not seek reelection in 2016 after 30 years in the upper chamber.

“Former Senator Harry Reid (he got thrown out) is working hard to put a good spin on his failed career,” Trump wrote in a tweet. “He led through lies and deception, only to be replaced by another beauty, Cryin’ Chuck SchumerCharles (Chuck) Ellis SchumerGOP senator: Trump's criticism of McCain 'deplorable' Schumer to introduce bill naming Senate office building after McCain amid Trump uproar Why we need to build gateway now MORE. Some things just never change!”

Those comments seemingly came in response to Reid’s harsh criticism of Trump in an interview with CNN that was published Monday.

In that interview, Reid said he would welcome the return of former President George W. Bush and said he does not have anything positive to say about Trump.

"I just have trouble accepting him as a person, so, frankly, I don't see anything he's doing right," Reid said.

Brennan, one of Trump’s harshest critics in the national security world, had his security clearance revoked by the president last year in what was widely seen as retaliation for his critical comments of the president.