Andrew Freedman is Colorado's director of marijuana coordination.

DENVER - Marijuana legalization brought unexpected challenges to Colorado, and it was rarely clear what part of state government was supposed to solve them, or how.

Businesses were selling marijuana-infused, animal-shaped candy attractive to children. Residents growing pot at home were selling it illegally in other states. Growers were applying pesticides to cannabis plants even though none was specifically approved by the federal government for such use.

Enter Andrew Freedman, Colorado's pot czar, who is bringing together the state's bureaucracy, marijuana industry, law enforcement community, and public health advocates to fix problems no other state had faced.

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