An effort is building in Congress to change U.S. marijuana laws, including moves to legalize the industrial production of hemp and establish a hefty federal pot tax.
While the gun control debate is a hot topic nationally right now, many are also calling for increased mental health care in the United States.
Marijuana legalization opponents are regrouping after voters approved pot in Colorado and Washington. Some of them are in Denver promoting a new organization that says marijuana should be treated like a health risk and not legalized.
Kevin Sabet, a former White House drug policy adviser and an outspoken opponent of legalizing marijuana, watched with dismay last fall as voters in Washington and Colorado did just that.