Collins added that it was "hard to envision" that McConnell and Schumer will be able deal on the start of the impeachment trial that would pass 100-0. The Senate left town earlier this month until January with the two leaders at an "impasse" over the impeachment trial rules.

Collins told Maine Public Radio that she's spoken in the GOP caucus about urging leaders to use the Clinton trial as their framework.

"I have shared with my colleagues my belief that the Clinton approach, the approach to the Clinton trial worked well," she said.