New Orleans rapper and Robitussin enthusiast Lil' Wayne has long been championed as hip-hop's savior by the white rap critics who are fond of bestowing such titles. On "Misunderstood," the final track from his widely anticipated album Carter 3 (out June 10 but already selling briskly on Amazon), Carter further endears himself to his white fan base by launching into a three-minute diatribe about racial gadfly Al Sharpton.