In November 2012, voters in Colorado and Washington voted to legalize marijuana for recreational use in contradiction of Federal law (Controlled Substances Act) that prohibits such possession and use. Nine other states have also legalized marijuana. The Supremacy Clause of the US Constitution states that when there is a conflict between state and federal laws, the federal law is the supreme law of the land. In other words, individuals who possess marijuana in those states are violating federal law and can be subject to the federal sanctions set forth in the Act.

Discuss the most difficult problem that you perceive by imposing criminal responsibility for the crimes of attempt, conspiracy, and solicitation.Also discuss whether you think that the tests to determine the actus reus and mens rea elements are sufficient to demonstrate criminal liability for each crime and why.