
Why do so many Americans now support legalizing marijuana?
Editor’s Note: The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts. American views on marijuana have shifted incredibly rapidly. Thirty years ago, marijuana legalization seemed like a lost cause. In 1988, only 24 percent of Americans supported legalization. But steadily, the nation began to liberalize. By 2018, 66 percent of U.S. residents offered their approval, transforming marijuana legalization from a libertarian fantasy into a mainstream cause. Many state laws have changed as well. Over the last quarter-century, 10 states have legalized recreational marijuana, while 22 states have legalized medical marijuana. So why has