"It's so weird watching rappers becoming elder statesmen. "I'm out for presidents to represent me." Well, now they do--and not only on dollar bills. Heavy responsibility lands on the shoulders of these unacknowledged legislators whose poetry is only, after all, four decades young. Jay-Z's ready for it. He has his admirable Shawn Carter Scholarship Foundation, putting disadvantaged kids through college. He's spoken in support of gay rights. He's curating music festivals and investing in environmental technologies."