Best of the Web, Law & Politics, Marijuana News, Weedists July 23, 2012 Gary Johnson, Libertarian POTUS candidate, Endorses Oregon’s OCTA Moirai Libertarian presidential candidate Gary Johnson officially endorsed Measure 80 – The Oregon Cannabis Tax Act (aka OCTA) last Friday. Gary Johnson has also endorsed marijuana legalization measures in Colorado and Washington. Read more at OregonLive. Tags: 2012 election, ballot measures, cannabis, colorado, gary johnson, legalization, Libertarian, marijuana, OCTA, Oregon, Washington. By: Moirai. Permalink: .