Viacom must have grinches running their business, especially for its well-known Nick franchise.  While positioning itself as a pro-kid enterprise, Viacom has played a key role working to undermine proposed voluntary guidelines for food marketing.  While the media giant has financially backed legal tomes claiming such guidelines aimed at reducing junk food aimed at kids is about protecting the First Amendment, Viacom's recent annual SEC report makes it clear it's really about mak