“Americans are preparing for different eventualities. The president is promising a border wall, even as the nation’s biggest networks pour cash into Telemundo and Univision. This year and last, Atlanta and Insecure and Moonlight and Moana moved the spotlight away from white characters and writers, and eyes and hearts and wallets moved, too. … The nation’s heartbeat holds the quick pulses of those brown girls and black boys, and executives tried to match fare to that pace. Others, famously, could not keep up.”