Isaac Newton formulated three laws of motion, No. 3 being: For every action, there is an equal and opposite reaction. If he were still around, he’d propose a fourth: For every action, there is an unequal and opposite overreaction.

Lately, Americans seem to be taking advice from Oscar Wilde, who said, “Moderation is a fatal thing.” Stupidity can be met and defeated with sensible, proportionate measures. Or it can be met with even greater stupidity. Guess which is the preferred option these days.