...yes, and we had to fight a whole war about that. I cannot think of politically backlash stronger than "and then we went into Civil war about that topic, wit

...yes, and we had to fight a whole war about that. I cannot think of politically backlash stronger than "and then we went into Civil war about that topic, with the victors of the war settling the matter". What point are you intending to make? That individual states/industries do not have the political power to influence a discussion at the Federal level?