Participants debated the legalization of marijuana. They assessed the "war on drugs," the impact of prohibition, potential revenues from taxation, rates of drug use, incarceration rates for drug offenders, and addiction treatment strategies. They also responded to comments and questions from members of the audience. Mr. Robbins moderated.

"Marijuana: Legal or Not?" was a session of the Vail Symposium. It was held at the Vail Mountain School.