Tuesday, September 9, is Primary Election Day in Rhode Island. With an open race for the top slot in the state, all eyes are on the gubernatorial primary races. Next year, the legislature will continue discussing whether Rhode Island should replace marijuana prohibition with sensible regulations, so it is important to know how the candidates for governor view the issue. Democratic primary gubernatorial candidates: When asked in March, all three major candidates — Gina Raimondo, Angel Taveras, and…