First, check this little gem, from the "Wall Street Journal":

Chocolate Makers Face Probe Over Pricing
By Julie Jargon and John R. Wilke
Companies Featured in This Article: Hershey, Cadbury Schweppes

Justice Department antitrust enforcers are inquiring about pricing by chocolate makers, which have been trying to offset higher dairy costs.

Live Free or Die: Essays on Liberty by New Hampshire Libertarians