Earlier quoted context omitted.
Certainly true of the libertarian right, but not of the social conservative right, who have been rather inconsistent in opposing "FCC legislating TV language and obscenity" and "DEA or Department of Health legislating controlled substances".
As a self-identified member of the libertarian right I absolutely agree. I get into this debate with so-called Conservatives frequently: smaller government and less regulation means marriage equality (at the state level,) the dismantling of the DEA (leaving it to states to make their own rules,) and the elimination of the Dept. of Education (leaving that to states as well,) among many other things. It also calls for…
People underestimate the side effects of state-level or city-level legislation. Due to the size of the California economy the laws in California absolutely have practical effects on people in Louisiana. This is why national and international laws and agreements matter.
For example, environmental regulations on automobiles (this interview transcript is obviously one example and needs to be evaluated in the context of alternative information, but I think it's adequate to demonstrate the point that interactions between states are significant to a degree that dismissing them is risky): http://e360.yale.edu/feature/californias_clean_car_rules_hel...