As pot goes proper, a look at the strange history of weed
Pot Through the Years
FILE - In this 1997 file photo provided by CBS, Murphy Brown, portrayed by actress Candice Bergen, smokes a marijuana cigarette to quell nausea induced by the chemotherapy used to treat her breast cancer. On the occasion of “Legalization Day,” Thursday, Dec. 6, 2012, when Washington’s new law takes effect, AP takes a look back at the cultural and legal status of the “evil weed” in American history. (AP Photo/CBS, Spike Nannarello, File)