So, on a highly symbolic date, mobs storm American diplomatic facilities and drag the corpse of a U.S. ambassador through the streets. Then the president flies to Vegas for a fundraiser. No, no, a novelist would say; that's too pat, too neat in its symbolic contrast. Make it Cleveland, or Des Moines. The president is surrounded by delirious fanbois and fangurls screaming "We love you," too drunk on his celebrity to understand that this is the first photo-op in the aftermath of a national humiliation. No, no, a filmmaker would say; too crass, too blunt. Make them sober, middle-aged Midwesterners,...