Terry Southern predicted reality television. Guy Grand is (possibly) the wealthiest person alive. He amuses himself by pranking people. Sometimes they’re relatively harmless and the victim comes out of it slightly embarrassed but unharmed and (sometimes substantially) richer. Sometimes the pranks are vile or disturbing and Guy works to stir the crowds up, leading to riots or mass humiliation. A few are actually clever. “The Magic Christian” is his ultimate prank. He buys an ocean liner, has it redecorated, and installs a closed-circuit television system. […]