Over the weekend, one of the most popular newspapers in Oregon lent its support to Measure 91, which would make marijuana legal for adults in the state. Voters will decide on the initiative in November. From The Oregonian: Measure 91 would move Oregon from a hazy condition of almost-legalization to one of rational access guided by straightforward regulations and subject to sensible taxation.  In other words, it would force Oregon's 16-year-old marijuana experiment out of adolescence and into legal…