The trial started for the dorm mother accused of sexually assaulting students at Oprah Winfrey's Leadership Academy for girls in South Africa.Virginia Mokgobo, 27, arrested in November and out on bail, is facing charges relating to common assault, harassment and soliciting a minor to perform indecent acts and verbal abuse. She appeared in Sebokeng magistrate court, south of Johannesburg on Tuesday."She pleaded not guilty to all the charges, they are reserving her defense, I don't know till when," said state prosecutor Etienne Venter.
