DENVER - Some public officials predicted unruly customers would fight over scarce supplies when recreational marijuana went live in Colorado. Others feared images of public toking would be beamed around the world.

Instead, a peaceful, respectful and mellow crowd greeted the advent of recreational marijuana sales on New Year's Day.

Marijuana industry representatives and public officials credited the smooth launch to months of planning and cooperation. Former foes agreed along the way to work together to settle such nettlesome issues as whether armed security would be permitted.

"We all realized at some point that our priorities are pretty much the same," said Mike Elliott, executive director of the Marijuana Industry Group, which considers itself the chamber of commerce for recreational marijuana. "We all want to keep businesses safe and secure and keep the customers safe."

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