With new laws legalizing marijuana use on the books in Colorado and Washington, everyone is waiting to see how the Justice Department will react. Meanwhile, House legislation has been introduced to get the feds to back off states that pass legalization measures. A new Cato study and a forum featuring the former DEA chief examine where marijuana laws are headed nationwide.

• “On the Limits of Federal Supremacy: When States Relax (or Abandon) Marijuana Bans,” by Robert A. Mikos
• “Amendment 64 Becomes Law in Colorado,” by Tim Lynch
• “The Law and Politics of Marijuana Legalization,” Cato Event