A federal judge in Philadelphia has set March 29 as the trial date in a $250,000 defamation suit filed against the talk-show host by the former headmistress of Winfrey’s South Africa-based girls academy. According to eonline.com,U.S. District Judge Eduardo Robreno ruled against a motion by Team Oprah to dismiss the complaint brought by Nomvuyo Mzaname. Instead, hizzoner ruled there was sufficient evidence of “capable defamatory meaning” within the allegations that the case should go before a jury. Mazamane, 40, claims she was defamed by Winfrey at a 2007 press conference after news surfaced about a sex-abuse scandal at the Oprah Winfrey Leadership Academy for Girls near Johannesburg. Go here for more of this story Lesbian sex scandal at Oprah’s school Oprah’s students held in solitary?