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

Sen. Chuck GrassleyCharles (Chuck) Ernest GrassleyOn The Money: Inside the Mueller report | Cain undeterred in push for Fed seat | Analysis finds modest boost to economy from new NAFTA | White House says deal will give auto sector B boost The 7 most interesting nuggets from the Mueller report Government report says new NAFTA would have minimal impact on economy MORE (R-Iowa) joked at a Tuesday event that President TrumpDonald John TrumpImpeachment? Not so fast without missing element of criminal intent Feds say marijuana ties could prevent immigrants from getting US citizenship Trump approval drops to 2019 low after Mueller report's release: poll MORE would have a lot fewer worries if his tweets were first checked by first lady Melania TrumpMelania TrumpA Trump visit to Africa is important — and carries some urgency The Hill's Morning Report — Mueller aftermath: What will House Dems do now? Trump to visit Japan in May to meet with Abe, new emperor 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 Swan MuellerSasse: US should applaud choice of Mueller to lead Russia probe 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 DurbinDurbin calls Mueller report findings on Trump team 'troubling' Congress opens door to fraught immigration talks McConnell: 'Past time' for immigration-border security deal 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.