[mnehring]

What gives the FedGov the lawful power to regulate that?

In the case of the silver analogy, the government is authorized by the Constitution to regulate weights and measures. A marketing term that signifies "grade" however, isn't authorized to the fedgov.

[JRandomFreeper]

The Republic is lost if so-called conservatives cheer for federal regulation into every aspect of our lives.

/johnny

[jurroppi1]

What about beef (USDA grade A, prime, etc...)?