Officials, activists and governments around the U.S. And beyond are watching the experiment unfold in Colorado and Washington, where recreational pot goes on sale in mid-2014. So is the US Department of Justice, which for now is not fighting to shut down the industry.
Will the states be a showcase for a safe, regulated industry that generates hundreds of millions of dollars each year and saves money by not locking up drug criminals, or one that will prove that the federal government has been right to ban marijuana since 1937?
That same year, the Justice Department told federal prosecutors they should not focus investigative resources on patients and caregivers complying with state medical marijuana laws.
In Colorado, the industry took off. Shops advertised on billboards and radio. Denver at one point had more marijuana dispensaries than Starbucks coffee shops. Local officials have since limited such in-your-face ads.
Also Read
In August, the Department of Justice said it wouldn't sue so long as the states met an eight-point standard that includes keeping pot out of other states and away from children, criminal cartels and federal property.
Colorado law allows adults 21 and older to buy pot at state-sanctioned pot retail stories.
Only existing medical dispensaries were allowed to apply for licenses. Only a few dozen shops statewide are expected to be open for recreational sales on New Year's Day.
"We have to show that this can work," she says. "It has to.