“Nas can do this. It's easy to forget sometimes. For the past decade and a half, few rappers have had more frustrating careers, and the Queensbridge legend's predilections for zero-character beats, nonsensical collaborations, half-baked concepts, and empty-calorie sloganeering have worked, time and again, to undermine his vast reserves of pure rap talent. But every once in a while, he crackles back”