NEW YORK (AP) — Gloria Estefan has revealed that, at the age of 9, she was sexually abused by someone her mother trusted. The Cuban-American superstar spoke for the first time publicly about the abuse and its effects on her during an episode of the Facebook Watch show “Red Table Talk: The Estefans” that aired Thursday. “He was family, but not close family. He was in a position of power because my mother had put me in his music school and he immed…