For the fourth-annual Cannabis 42.0 list, Forbes is celebrating the entrepreneurs, innovators and disruptors who are finding success the state-regulated cannabis market. Over the last few months, Forbes interviewed dozens of investors, executives, analysts and business owners, studied sales data and financial documents and reviewed nearly 200 applicants to identify the 42 leaders and up-and-comers who are transforming cannabis from a criminal enterprise into a robust legal industry. Read the