Missouri State Rep. Brandon Ellington’s HJR 15 would give voters a chance to put an end to the failed experiment of marijuana prohibition, and would replace it with legalization, taxation, and regulation for adults 21 and over. [caption id="attachment_8469" align="alignright" width="300"] Rep. Brandon Ellington[/caption] A companion bill also sponsored by Rep. Ellington, HB 166, would expunge some marijuana-related convictions if voters approve the constitutional amendment. The Missouri-based Show-Me…