A former Olympic table tennis star from Taiwan made a racket at the nationals competition, berating her daughter’s Orthodox Jewish doubles partner as “ugly” and dissing her conservative style of dress. Fei Ming Tong verbally slammed Estee Ackerman, 20, before the doubles competition earlier this month in Texas, dropping F-bombs, calling her a “piece of s–t” and saying her modest outfit with its long sleeves and skirt was “unprofessional” and “disgusting,” Ackerman and her father, Glenn, told The Post. “This was discrimination,” Glenn Ackerman said, noting both families were from Long Island and that Tong had once trained Estee and...