CANNABIS CULTURE - A growing chorus of equity movements are swaying courts, one case at a time. Spurred on by the conviction and lengthy jail sentence imposed on a teenage boy - a grassroots group of Malawian artists and advocates are demanding changes in the countries cannabis policy, a policy they say is unjust. In June, a magistrate court in Blyntre, the commercial capital city of Malawi, condemned Mr. Mussa John, a teenager, to 8…