Even better is Ron Paul joining Bill Clinton in that endorsement. Ron Paul is one of the libertarian pioneers of legalization of MJ going back to the early 1970's. The famous journalist and political maverick William F. Buckley (deceased), who ran for mayor of NYC on the Conservative Party ticket in the 1960's, advocated total legalization and an end to the war on drugs.
As a congressman, Ron Paul introduced H.R. 5842, the “Medical Marijuana Patient Protection Act,” in 2008. The bill required federal authorities to respect states' current laws on medicinal cannabis and end D E A raids on facilities distributing medical marijuana legally under state law.