Lifetime will be kicking off the biopic of Salt-N-Pepa to immortalize the rap duo. The film is set to chronicle the careers of Cheryl ”Salt” James, Sandra “Pepa” Denton , and Deidra “Dj Spinderella” Roper. The roles have been casted by actresses GG Newton and Laila Odom, portraying the duo along with Monique Paul who…