NPR's On The Media - They Say I Stole This

From NPR.org:

Twenty years ago a series of lawsuits criminalized the hip-hop sampling of artists like Hank Shocklee and Public Enemy. And yet, two decades later, artists like Girl Talk have found success breaking those same sampling laws. OTM producer Jamie York talks to Girl Talk, Shocklee and Duke Law professor James Boyle about two decades of sampling - on both sides of the law.