Marijuana USA

More states are permitting the use of marijuana for medicinal purposes and now, a new generation of marijuana entrepreneurs has emerged across America. They come from the unlikely fields of finance, politics, medicine and law, and they want to claim a stake in this modern day gold rush. CNBC’s “Marijuana USA” goes inside a flourishing medical pot industry and examines how marijuana, the world’s most commonly used illicit drug, dares to move out of the shadows and into the mainstream of American