Grassley: Trump 'could solve all of his problems' if Melania approved tweets

Sen. Chuck GrassleyCharles (Chuck) Ernest GrassleySenate begins preparations for Trump trial Big Pharma looks to stem losses after trade deal defeat Appeals court skeptical of Trump rule on TV drug ads MORE (R-Iowa) joked at a Tuesday event that President TrumpDonald John TrumpNational Archives says it altered Trump signs, other messages in Women's March photo Dems plan marathon prep for Senate trial, wary of Trump trying to 'game' the process Democratic lawmaker dismisses GOP lawsuit threat: 'Take your letter and shove it' MORE would have a lot fewer worries if his tweets were first checked by first lady Melania TrumpMelania TrumpThe Hill's 12:30 Report: Trump beefs up impeachment defense with Dershowitz, Starr Trump welcomes LSU to the White House: 'Go Tigers' The Hill's Morning Report — President Trump on trial MORE.

"The president could solve all of his problems if he just showed his wife the tweet before he punches the send button," Grassley quipped when the moderator noted that Trump is tweeting more about special counsel Robert MuellerRobert (Bob) Swan MuellerSchiff: Trump acquittal in Senate trial would not signal a 'failure' Jeffries blasts Trump for attack on Thunberg at impeachment hearing Live coverage: House Judiciary to vote on impeachment after surprise delay MORE than the push for criminal justice reform in a bill co-sponsored by Grassley.

"Couldn't we all," agreed Sen. Dick DurbinRichard (Dick) Joseph DurbinOvernight Defense: Book says Trump called military leaders 'dopes and babies' | House reinvites Pompeo for Iran hearing | Dems urge Esper to reject border wall funding request Senate Dems urge Esper to oppose shifting Pentagon money to border wall Trump's trial a major test for McConnell, Schumer MORE (D-Ill.), another of the bill's co-sponsors.

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The president's frequent and often bombastic tweeting has been a source of frustration for many conservatives, including Grassley.

In September, the Senate Judiciary Committee chairman tweeted that he was praying Trump could be more disciplined in his discourse in the run up to the midterm elections.

"My prayer is that our President can be as disciplined in his discourse and speeches like last two [weeks before] his election," Grassley tweeted. "Then we will be successful in next two months like he was successful."

The GOP emerged from the midterms with a greater majority in the Senate but significant losses in the House. 

Pundits on the right and the left have said Trump's heated rhetoric contributed to the GOP's losses, driving away suburban voters.

On Monday, the president unleashed a series of tweets lambasting Mueller's plea agreement with Trump's former lawyer Michael Cohen.  

Cohen pleaded guilty last week to lying to Congress regarding the timing of the Trump Organization's efforts to build a tower in Russia.