Photo: Adrian Wyld, AP

Image 1of/5

Caption

Close

Image 1 of 5

FILE – In this April 20, 2015 file photo, a Canadian flag with a cannabis leaf flies on Parliament Hill during a 4/20 protest in Ottawa, Ontario. Canada is following the lead of Uruguay in allowing a nationwide, legal marijuana market, although each Canadian province is working up its own rules for pot sales. The federal government and the provinces also still need to publish regulations that will govern the cannabis trade. (Adrian Wyld/The Canadian Press via AP, File) less FILE – In this April 20, 2015 file photo, a Canadian flag with a cannabis leaf flies on Parliament Hill during a 4/20 protest in Ottawa, Ontario. Canada is following the lead of Uruguay in allowing a … more Photo: Adrian Wyld, AP

Image 2 of 5

FILE – In this April 20, 2018 file photo, a woman exhales while smoking a joint during the 4-20 annual marijuana celebration, in Vancouver, British Columbia. Canada is following the lead of Uruguay in allowing a nationwide, legal marijuana market, although each Canadian province is working up its own rules for pot sales. The federal government and the provinces also still need to publish regulations that will govern the cannabis trade. (Darryl Dyck/The Canadian Press via AP, File) less FILE – In this April 20, 2018 file photo, a woman exhales while smoking a joint during the 4-20 annual marijuana celebration, in Vancouver, British Columbia. Canada is following the lead of Uruguay in allowing … more Photo: Darryl Dyck, AP

Image 3 of 5

FILE- In this April 20, 2018 file photo, people reach for joints

Read More Here...