Eighteen states have enacted laws to replace cannabis prohibition with sensible regulation for adults 21 and older. We’ve had several years to see how regulating cannabis like alcohol is working. Colorado and Washington — which were the first two states to legalize and regulate cannabis in 2012 — have generated hundreds of millions of dollars in revenue and created tens of thousands of jobs. And, as a report from the Cato Institute noted, “The absence of significant adverse consequences [from these laws] is especially striking given the sometimes dire predictions made by legalization opponents.”