The annual WMUR Granite State Poll released Wednesday by the University of New Hampshire Survey Center shows a growing majority of New Hampshire adults support making marijuana legal and regulating it like alcohol. The survey found 55% percent support making possession of small amounts of marijuana legal in New Hampshire — up from 53% in 2013 — and 67% approve of marijuana being sold in licensed retail outlets and taxed at levels similar to alcohol if marijuana possession becomes legal. The poll…