Sen. Joshua Miller (D - Cranston) is once again submitting a bill to legalize and regulate marijuana in Rhode Island. As marijuana businesses are poised to open their doors in Massachusetts this summer, Sen. Miller hopes his colleagues will understand the wisdom in acting now. “Legal marijuana sales will be available to Rhode Islanders as soon as Massachusetts retailers start offering it in July,” Sen. Miller said. “But Massachusetts will keep the revenue from the purchases when Rhode Islanders cross…