She had seen May Day parades when people were still enthusiastic or did their best to feign enthusiasm…[a]s a group approached the reviewing stand, even the most blasé faces would beam with dazzling smiles, as if trying to prove they were properly joyful, or, more precisely, in proper agreement.
–The Unbearable Lightness of Being, Milan Kundera

Joe Biden didn’t applaud Bibi on Jerusalem, and there’s video to prove it.

It still isn’t clear how the rest of them know when to stop.