Public Radio for the Piedmont and High Country
Play Live Radio
Next Up:
0:00
0:00
0:00 0:00
Available On Air Stations

National

National

Nicholas Kamm
/
AFP via Getty Images
Farmers in the U.S. have grown cannabis since the 1600s — but policymakers are still figuring out how to regulate two famous types of Cannabis sativa. A historian calls the plant "incredibly cryptic."