“Sextuplets Take New York” premieres 14 sep night on the network that launched tabloid superstars Jon and Kate Gosselin on “Jon and Kate Plus 8,” the Duggar family’s “19 Kids and Counting” and the seemingly normal-by-comparison Joneses in “Quints by Surprise.” For starters, Victor and Digna Carpio, parents of America’s first Latino sextuplets, [...]