I’m not too worried about Collins or Murkowski. They both voted for the nuclear option and both voted for Gorsuch. Collins, at least, also took the floor to speak in favor of Gorsuch.
We just need a nominee who Manchin and one or two other red-state Democrats will vote for to give us a buffer, and confirmation will probably be uneventful. That shouldn’t be hard.
Manchin is feeling it. He needs Trump’s help to win. Manchin is a fella that’s likely asking himself what it was again the Democrat party ever did for him (beside union support, which is trumped (no pun intended) by actual mining jobs.
Also note, all three of the Democrats who voted for Gorsuch have released statements suggesting they are not on board with Schumer’s “Biden Rule” idea.