MSNBC's Scarborough hits back at Trump: 'History will be kind' to Romney

MSNBC host Joe ScarboroughCharles (Joe) Joseph Scarborough'Morning Joe' hosts mock Trump De Blasio to decide 'very soon' on possible gubernatorial bid Ocasio-Cortez: Democrats need to to 'crack down' on 'old boys club' in Senate MORE came to the defense of Sen. Mitt RomneyWillard (Mitt) Mitt RomneyPut partisan politics aside — The Child Tax Credit must be renewed immediately Trump remembers former 'Apprentice' contestant Meat Loaf: 'Great guy' Rock legend, actor Meat Loaf dies at 74 MORE (R-Utah) on Saturday after President TrumpDonald TrumpBiden says Roe v. Wade under attack like 'never before' On student loans, Biden doesn't have an answer yet Grill company apologizes after sending meatloaf recipe on same day of rock star's death MORE lashed out at the GOP senator and called him a "pompous 'ass.'"

"Mitt is a winner in so many ways that you will never be," Scarborough, a vocal Trump critic and host of MSNBC's "Morning Joe," tweeted in response to Trump.

The former Republican congressman argued that "history will be kind" to Romney, the GOP's 2012 presidential nominee, adding, "You? Not so much." 

Trump went after Romney on Saturday morning after the GOP senator spoke out against the president's public encouragement of China and Ukraine to look into former Vice President Joe BidenJoe BidenSunday shows preview: US reaffirms support for Ukraine amid threat of Russian invasion The Fed has a clear mandate to mitigate climate risks Biden says Roe v. Wade under attack like 'never before' MORE.

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Romney called Trump's behavior "wrong and appalling."

The Utah senator is one of the few Republican lawmakers who have openly expressed concern or outright criticism about Trump's dealings with Ukraine.

Romney spoke out last month about Trump's call with the leader of Ukraine in which the president urged the foreign government to investigate Biden.

The senator called details of the conversation "deeply troubling" after the White House released a rough transcript of the call. 

Trump issued two tweets about Romney on Saturday morning, mocking him for his 2012 electoral defeat while noting that he declined to pick him for secretary of State.

In the first tweet, Trump told Romney to "wake up." In the second, he wrote that "Mitt Romney never knew how to win."

"He is a pompous 'ass' who has been fighting me from the beginning, except when he begged me for my endorsement for his Senate run (I gave it to him), and when he begged me to be Secretary of State (I didn’t give it to him)," Trump continued. "He is so bad for R’s!"