THIS is a big deal
The highest court in the land refused to assess the constitutionality of U.S. federal law that prohibits broadcasted obscenities. However, it did deal FCC efforts a blow by finding it illegal for the FCC to fine TV broadcaster who air obscenity or nudity during daytime hours.
http://www.dailytech.com/America+Fk+Yeah+Supreme+Court+Axes+FCCs+TV+Obscenity+Rules/article24991.htm