This is completely off-topic, but they were kind enough to send me the PR, and South Park is a big favorite of one of my neighborhood friends.
So - behind the scenes at 60 Minutes:
"South Park": Laughs on a deadline: http://www.cbsnews.com/8301-504803_162-20111061-10391709.html?tag=contentBody;currentVideoInfo
and the story itself:
Parker & Stone's subversive comedy
60 Minutes September 25, 2011