Sen. Susan Collins Susan Margaret CollinsSenate Republicans face tough decision on replacing Ginsburg Democratic senator calls for eliminating filibuster, expanding Supreme Court if GOP fills vacancy What Senate Republicans have said about election-year Supreme Court vacancies MORE (R-Maine) says that Senate Republicans aren't ignoring President Trump, but may be tuning out some of his more bombastic rhetoric.

"I don't think that the caucus is ignoring the president," Collins told CNN's Dana Bash in an interview released Friday. "But there may be some ignoring of his rhetoric, which, at times, is over the top."

Collins' colleague, Sen. Lisa Murkowski Lisa Ann MurkowskiSenate Republicans face tough decision on replacing Ginsburg What Senate Republicans have said about election-year Supreme Court vacancies McConnell says Trump nominee to replace Ginsburg will get Senate vote MORE (R-Alaska), who joined the Maine Republican in the interview, echoed that sentiment, saying that when the president says something that "is not constructive to governing" it's "important to speak up."

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Collins and Murkowski bucked party lines last week when they voted against a motion to begin debate on healthcare reform. Vice President Pence subsequently stepped in to cast the tie breaking vote in favor of the motion to proceed.

The two GOP senators broke from their party again days later, voting with Sen. John McCain John Sidney McCainMcSally says current Senate should vote on Trump nominee Say what you will about the presidential candidates, as long as it isn't 'They're too old' The electoral reality that the media ignores MORE (R-Ariz.) to kill a scaled-down ObamaCare repeal bill, effectively shuttering Senate Republican's existing efforts to overhaul large parts of the nation's healthcare system.

Collins, a moderate, has been among the most vocal Republicans calling for a bipartisan effort to fix the flaws in the Affordable Care Act.