In the moment before Jada Pinkett Smith’s husband strode onstage to slap another man during Sunday night’s Oscars ceremony, the camera panned briefly to her face. Comedian Chris Rock had just made a joke at her expense, and she did not appear happy. She rolled her eyes. She clasped her hands tightly in her lap. She sat ramrod straight, wearing a high-necked emerald gown – there was almost a genteel Victorian sensibility to her restrained displeasure.