Bernstein, who chronicled the last days of the Nixon administration along with Bob Woodward in their book “All the President’s Men,” wrote on Twitter Sunday night, “I’m not violating any pledge of journalistic [confidentiality] in reporting this: 21 Republican Sens–in convos w/ colleagues, staff members, lobbyists, W. House aides – have repeatedly expressed extreme contempt for Trump & his fitness to be POTUS.”