In a perfect world, iced-out thug Nelly and boho griot Mos Def would cameo on each other's records. But black men profit just as much as everyone else from imagining themselves in compartmentalized solar systems, so St. Louis–born Nelly and Brooklyn-born Mos remain hip-hop doppelgängers. Though cut from different cloth, they're both iconoclasts, pushing hip-hop culture to its limits by refusing its tyranny of... More >>>