Former Bank of Canada governor Mark Carney has officially launched his campaign to replace Justin Trudeau as Liberal leader. Andrew Chang explains how Carney rose to prominence in a party where he's not an elected member, and the strategy behind pitching himself as a political 'outsider.' (0:27 Credit: Bloomberg Television/YouTube; 0:28 Credit: CP24/YouTube; 0:29 Credit: BBC News/YouTube; 1:11 Credit: CTV News/YouTube) Images gathered from Reuters, Getty Images, and The Canadian Press.
