Rapper Vic Mensa, who performed at the "March for Our Lives" rally in Washington, D.C. on Saturday and subsequently called for an AR-15 rifle ban, pled guilty to a gun crime last year. In March of 2017, Victor Kwesi Mensah, known professionally as Vic Mensa, was arrested during a routine traffic stop in California for having a concealed a weapon in his car without a permit, according to TMZ. At the time of the arrest, Mensa said he had a concealed carry permit for the weapon; however, the permit was from a state that California does not recognize. Mensa pleaded...