The Time Nancy Reagan Invented 'Just Say No' And Other Great Moments In Pot History

The grass is no greener. But, finally, it's legal — at least somewhere in America. It's been a long, strange trip for marijuana. Washington state and Colorado voted to legalize and regulate its recreational use last month. But before that, the plant, renowned since ancient times for its strong fibers, medical use and mind-altering properties, was a staple crop of the colonies, an "assassin of youth," a counterculture emblem and a widely accepted — if often abused — medicine....