Meet the Lawyer who has been getting pot cases dissmissedMarc tells us about upcoming events such as the Drug War Vigil Video Contest, the May 3rd Marijuana March, the Toker's Bowl and more, then talks to Ontario Lawyer Brian McCallister who has been challenging the validity of the Canadian Cannabis Laws. Judge rules marijuana law invalid WINDSOR, ONT. - Canada's law on possession of small amounts of marijuana is no longer valid, an Ontario judge ruled Thursday.