A lot of you guys are writing us to complain that Clipse wasn't higher on Pfork's list (we didn't write it!), but coke-rap is so on in '07. Sasha Frere-Jones explores in his recent piece for The New Yorker:What is a life-style choice in pop is a livelihood in hip-hop. Almost every m.c. raps about selling cocaine, whether he?s a ...