Under the pretense of promoting public health and welfare, the alcohol industry for decades has facilitated price-fixing by bars, restaurants, and liquor stores in communities throughout the United States. (Google --> responsible hospitality boulder memo -- for irrefutable evidence of the ongoing sophisticated conspiracy.)
The price of lawful products should be set by market forces and/or through legislation, not by private agreement of the market participants. It is the role of the federal government to protect consumers from illegal price-fixing conspiracies.