As state after state passes laws regulating the use of cannabis, a booming industry has sprung up. Many people believe that this momentum — which they see as analogous to sweeping tides of civil rights legislation — will ultimately result in the passage of federal laws. Cannabis lobbyist and attorney Joshua Sanderlin believes that this optimism is misplaced and fails to account for the commerce clause of the U.S. Constitution. However, Joshua also offers clear pointers on how to mobilize the groundswell of support required to make changes to federal law.