Reuters:  The Marijuana Policy Project “introduced a ballot initiative Friday to legalize recreational marijuana. If its backers collect enough signatures to support the idea, it could land in the voters’ hands next year. . . . Arizona voters can anticipate being courted by both marijuana advocates and their opponents over the coming year, as the state becomes one of the latest battlegrounds in the debate over the legalization of recreational weed. Supporters submitted a ballot initiative to legalize recreational marijuana in Arizona Friday. If they collect 150,642 signatures of registered voters before June of next year, the question of whether to permit pot to be smoked in private residences will be put to the state’s voters in 2016.