...sparking outrage among her Real Housewives Of Atlanta cast-mates Her grandfather was famous civil rights leader Hosea Williams. But Porsha Stewart appears embarrassingly ignorant about her country's history. The 32-year-old reality star revealed that she thought the Underground Railroad was a real train on Sunday night's episode of The Real Housewives Of Atlanta. Porsha and her cast-mates were seen going on a so-called Freedom Trail tour in Savannah, where they visited a church used as part of the Underground Railroad, the term given to the network of people who helped slaves escape from the South to the North during the...