Can the polarization between Democrats and Republicans in the U.S. be reversed?

[Angrboda]

You are making one seriously flawed assumption, Jorm.  Namely that the problem can "be solved."

Sometimes there is no going back.

It's not an assumption, it's a prediction and a hope. The best predictor of future behavior is past performance. Past behavior provides us examples of similar situations being solved and so it is reasonable to predict that if an appropriate set of actions were undertaken, collectively or individually, this too could be solved.

Not an assumption, Min. I agree with your pessimism, but pessimism alone isn't in any sense conclusive.