And legalizing hard drugs isn't feasible politically. No US politician would dare advocate it, but there are some who openly advocate legal pot. That is do-able, but total libertarian-style drug legalization just won't happen, not in my lifetime.
No we can’t legalize everything but the biggest money maker for any criminal organization is drugs. Talking about feasibility, US politician would even legalize pot. Alcohol prohibition wouldn’t allow for the producing of one type of alcohol over another.