One sure way to identify a maturing business sector is when its members break out the PowerPoint and stage a stodgy, old-school trade show. The industry of legalized marijuana will “arrive” as just such an entity next week when the National Cannabis Industry Association (NCIA) holds its inaugural Cannabis Business Summit at the Colorado Convention Center and the Crowne Plaza Hotel downtown.

The two-day event begins Tuesday, June 24, and is expected to welcome about 800 visitors, dozens of exhibitors, and a wide array or presentations and speakers. The conference’s first panel on Tuesday will be a discussion of what Colorado and Washington have learned so far from their initial endeavors into the legalized marijuana marketplace. (One of the panelists is Denver’s Brian Vicente of the