“All crime is about stealing,” utters Dinesh D’Souza on the voiceover for his new film’s trailer, sounding like a stoned Bill Walton who accidentally caught a 7-Eleven shoplifter after wandering in for a cheeseburger-flavored hot dog. But D’Souza himself doesn’t have such quotidian concerns. What he’s worried about is the stealing of...America as we know it.