In recent interview, the President also voiced cautious support for state-level legalization efforts.
After more than a year of debating laws and regulations, the country’s first marijuana stores opened on New Year’s Day but demand was heavier than anticipated.
Slideshow: Thousands of marijuana customers waited in long lines at the state's two dozen or so new retail marijuana stores on New Year's morning, hoping to be among the first people in the country to buy recreational pot legally since the drug was banned 77 years ago.
Smoking marijuana on private property is enshrined in the Colorado constitution but that same amendment bans public consumption. 99391
Currently, 18-21 year olds are penalized more harshly than those who are younger and older.
- Denver is currently home to more than 40 percent of the state's medical marijuana shops and only existing dispensaries are allowed to convert to recreational sales in the first year.View interactive map