Goldman Sachs downgrades oil forecast, says $20 per barrel is possible

Investment bank predicts average price of $45 a barrel next year, but lower isn't implausible

By Pete Evans, CBC News Posted: Sep 11, 2015 10:05 AM ET Last Updated: Sep 11, 2015 7:51 PM ET

http://www.cbc.ca/player/play/2675327890/