I ain't seen no poems stop a 38," the poet Haki Madhubuti wrote more than 20 years ago, "i ain't seen no stanzas break a honkie's head/i ain't seen no metaphors stop a tank/i ain't seen no words kill." Back then he was called Don L. Lee, and he was part of the black-arts movement that marched alongside the black-power revolution and whose energy, anger, joy and strength – though not necessari...