http://www.slate.com/blogs/the_slatest/2016/12/08/trump_epa_pick_states_can_spew_pollution_but_not_legalize_marijuana.html
"Thus, for all of Pruitt’s bluster about states’ rights, his real goals remain glaringly political: to minimize EPA regulation (as his coal and gas donors desire) while quashing the pro-marijuana movement (as his alcohol industry donors desire). Like much of Trump’s Cabinet, Pruitt is not so much outwardly corrupt as openly unprincipled—a politician who stands only for the things that lobbyists pay him to stand for."