Has rap music hit a wall?

Interesting question and theories posted over on CNN

NEW YORK (AP) -- Maybe it was the umpteenth coke-dealing anthem or soft-porn music video. Perhaps it was the preening antics that some call reminiscent of Stepin Fetchit.

The turning point is hard to pinpoint. But after 30 years of growing popularity, rap music is now struggling with an alarming sales decline and growing criticism from within about the culture's negative effect on society. (read the rest)