Today she’s wearing a T-shirt supporting an anti-white gangster rap group. Tomorrow she’ll be attending Socialist meetings at Columbia College. And, before you know it she’ll be dining with Al Sharpton.On Monday a grainy photo of a 16-year-old wearing a hip-hop group’s tour T-shirt was posted on said group’s official Instagram account.One of the members of the collective, which consists of rappers, producers, and non-musical members, such as photographers and publicists, told Gawker that Mr. Bada$$ had allegedly been sent the snapshot by “a mutual friend of Malia’s and the pro era member.”The lead “singer” for Pro Era was just...