A lot of it also exists because of capitalism, it's a symbiotic relationship. Capitalism produces more wealth which a government can tax to provide more infrast

A lot of it also exists because of capitalism, it's a symbiotic relationship. Capitalism produces more wealth which a government can tax to provide more infrastructure for capitalism to occur which produces more wealth. Although this is one area where the interstate commerce clause seems to genuinely apply it would be interesting to see what would happen with some areas following NN and some areas not and what results... I think the real key here is that gov't regulation is not a good substitute for genuinely competitive markets.