In the past five years, eight states and Washington, D.C., have legalized recreational marijuana for adults. Today, 68 million people live in areas where marijuana is treated like alcohol or tobacco. The drug is sold in stores, millions of tax dollars are being raised from its sale, and an increasing number of businesspeople are profiting in this lucrative new industry. Long seen as either a hippie accessory or a dangerous gateway drug, legal marijuana is booming.
How did this happen?