Prime Minister Mark Carney and Alberta Premier Danielle Smith are moving closer to reaching a deal on the future of Alberta's energy sector, according to a senior government official. Former TransCanada executive Dennis McConaghy joins us to talk about whether that makes sense when there are still opportunities to expand existing pipelines — saying the 'devil is in the details.' »»» Subscribe to CBC News to watch more videos: http://bit.ly/1RreYWS For breaking news, video, audio and in-depth