This could be because of the Commerce Clause in the Constitution. It basically regulates all commerce at scale in the US of A. I bet TVA took its position becau

This could be because of the Commerce Clause in the Constitution. It basically regulates all commerce at scale in the US of A. I bet TVA took its position because of Roscoe Filbrun, a wheat farmer with a similar argument in 1942. This is a really great piece on it if you're interested. http://www.radiolab.org/story/radiolab-presents-more-perfect-one-nation-under-money/ http://www.radiolab.org/story/radiolab-presents-more-perfect...