The campaign advocating for Florida’s Amendment 3, which seeks to legalize marijuana, launched a new ad this week highlighting the risks associated with unregulated cannabis on the black market. The ad hit heavy on the fact that much of Florida’s marijuana is illegally produced and could therefore be contaminated with harmful substances like fentanyl. Smart and Safe Florida, the group behind Florida’s ballot measure to legalize marijuana sponsored the ad. On April 1, the Florida Supreme Court approved the recreational marijuana constitutional amendment for which voters will decide in the Novem…