I will try to find some details. It's probably just another scheme for the big government types to keep us all from hearing the truth.
From WLAC site: Due to continuing uncertainty over rights issues related to the streaming of radio broadcast programming over the Internet, including issues regarding demands for additional fees for the streaming of recorded music and radio commercials, we and our advertisers are forced to temporarily disable our streaming.
We apologize for the inconvenience of this interruption. We are working with both our advertisers and the Recording Industry Association of America to find a solution to those problems as quickly as possible so that we can resume our streaming.
Here is the RIAA's site discussing their lawsuit: Webcasting Issues & News