No one really cares what Susan Collins does. Or Mitt Romney for that matter. Lisa Murkowski no.
90% of voters don't care if there are conventions or not, because their vote is already decided.
You pulled those stats out of your anus.
Not at all. You either support Communism, or you don't. My vote for 21st Century elections was cemented in 2000. I can see no circumstance or set of circumstances that would change my decision.
Regardless of the current spinelessness of the Republicans, the Democrats offer me nothing of value. Why on Earth would I vote for them?