Canada's top court ruled Tuesday to keep marijuana possession illegal, dealing a blow to activists who had argued the drug causes no serious harm. In a 6-3 decision spanning 400 pages, the Supreme Court of Canada ruled that possession, even in small amounts, would remain a criminal offense. In a separate, unanimous decision, it maintained trafficking was illegal. The judgment prompted praise from law enforcement groups and disappointment from proponents of legalization. "My huge patriotism may slowly be dissipating. I have a lot of faith in my country, in freedom and justice, but it doesn't seem like we have a...