Earlier this week, Regulate Rhode Island unveiled a billboard aimed at encouraging legislators to pass a bill that would regulate and tax marijuana in the state. The “Field of Dreams”-themed ad features stadium lights shining on two young professionals standing among a small field of marijuana plants, and it reads, “If we build it, they will come… It’s time to establish a regulated marijuana market in Rhode Island.” Legislators are currently considering S 510/H 5777, the “Marijuana Regulation, Control,…