news BUSINESS | News Returned product a hidden challenge for cannabis companies Tara Deschamps Workers produce medical marijuana at Canopy Growth Corporation’s Tweed facility in Smiths Falls, Ont., on Monday, Feb. 12, 2018.Sean Kilpatrick – Dankr.ca

BUSINESS | News Returned product a hidden challenge for cannabis companies Tara Deschamps Workers produce medical marijuana at Canopy Growth Corporation's Tweed facility in Smiths Falls, Ont., on Monday, Feb. 12, 2018.Sean Kilpatrick

news BUSINESS | News Returned product a hidden challenge for cannabis companies Tara Deschamps Workers produce medical marijuana at Canopy Growth Corporation’s Tweed facility in Smiths Falls, Ont., on Monday, Feb. 12, 2018.Sean Kilpatrick