Pro- and anti-Trump demonstrators are facing off noisily outside the convention center in Tampa, Florida. A short woman with frizzy gray hair holds a Bible in one hand and a bullhorn in the other: WE PRAY . . . FATHER GOD . . . THAT YOU . . . WILL MAKE . . . AMERICA . . . GREAT AGAIN. Nose to nose, screaming, are a middle-aged white man with a goatee and a skinny black kid with a backward baseball cap that reads comme des fuckdown. “The Koran teaches: Smite the infidel above the neck,” Goatee yells. WE PRAY . . . WE PRAY LORD JESUS . . . THAT NO ONE . . . COMES INTO THIS…