Since the days of Tupac versus the Notorious B.I.G., or Jay-Z versus Nas, disputes between rappers have been a sure fire way to generate lots of headlines.
The media attention didn't cease when industry bad boy 50 Cent challenged the middle-class rap superstar Kanye West. 50 Cent announced that he would retire if West's album "Graduation" beat his album "Curtis" for sales in their first week.
In the end, West won, selling almost 1 million albums in the first week. 50 later recanted his...Full Story