On May 31, Illinois lawmakers approved House Bill 1438, referred to as the Cannabis Regulation and Tax Act, legalizing recreational marijuana.Gov. J.B. Pritzker is expected to sign the bill into law, making Illinois the 11th state to legalize marijuana and the first state in which a legislature approved commercial sales.Once recreational sales begin on Jan. 1, Illinois will generate millions in revenue. And, while state lawmakers — and many of their constituents — are feeling high over the passage of the bill …