Laughter has a unique power to disarm hateful and self-righteous people by exposing them as ridiculous. For instance, in 1967’s “The Producers” — brought to modern audiences in a hilarious 2005 remake \– Jewish-American Hollywood legend Mel Brooks made audiences laugh with a comedy about two Broadway producers who schemed to defraud their investors by hiring a flamboyantly gay director for a play entitled “Springtime for Hitler” in hopes of causing the play to flop. But the play unexpectedly succeeded when audiences loved what they interpreted as a satire of Nazi Germany. And that was, of co…