“This is a solemn and serious undertaking and I just think we don’t need a bunch of distractions,” said Sen. John Cornyn (R-Texas), who added it would be “optimal” for Trump to refrain from Twitter. “The president will like the outcome, I believe, in the end. So … making it easier not harder would be a good thing.”

“The president would be best served by letting his lawyers speak for him and not doing any comment. At all,” concurred Sen. Susan Collins (R-Maine.) “I doubt, however, that he will heed my advice.”…

“He needs to be respectful of the process,” said Sen. Lindsey Graham (R-S.C.), one of Trump’s most vocal defenders in the Senate. “He can defend himself, he has a right to express his grievances but if I were him I would … keep a low profile.”