Some U.S. lawmakers have been calling on the Canadian government to do more to address wildfire smoke blowing south. Canada’s minister of emergency management told Power & Politics that wildfires are a ‘global problem’ and stressed the need for collaboration between Canada and the U.S. Read more: http://www.cbc.ca/news »»» Subscribe to CBC News to watch more videos: http://bit.ly/1RreYWS Connect with CBC News Online: For breaking news, video, audio and in-depth coverage: http://bit.ly/1Z0m6iX