There is a big difference between having a very liberal Republican and a Dem. Even the most liberal R gets to help determine who leads the Senate. Only the majority in the Senate gets to set its agenda, etc.
But don’t the idiot voters of Maine understand a liberal Republican will always be a thorn in the side of a Republican president instead of a more conservative or less liberal Republican? I’d like to hear their argument of why they vote for a liberal Republican over someone more conservative if their intentions is to vote among party lines.