Commentary As an avid lifetime player and fan, I was probably more aware of Chinese tennis star Peng Shuai than most Americans, even media types. I was watching on television when she cramped up in the semi-finals of the 2014 U.S. Open—her greatest success thus far—and had to be wheeled off the court, throwing the match to Caroline Wozniacki. Peng got my sympathy then, but not nearly as much as she’s had recently since she is, as of now, a member of what is known in Spanish, because it happened so often in Argentina during the days of their military dictatorship, as the “desaparicida” (the disappeared). Ms. Peng has vanished because, as Leta Hong Fischer explained in the New York Times: “On Nov. 2, Peng Shuai, a former Wimbledon doubles champion, accused China’s former vice premier, Zhang Gaoli, of sexual assault. “Like an egg hitting a rock, or a moth …