Can Carney secure tariff relief in China?

Canada and China reached an agreement on energy during Prime Minister Mark Carney's first day of talks in Beijing, but Chinese tariffs on agricultural goods like canola remain in place. Will Carney's meeting with President Xi Jinping change that? Michael Kovrig was imprisoned by China for over 1,000 days, but tells Power & Politics why he's in favour of Carney's trip. Plus, Housing and Infrastructure Minister Gregor Robertson responds to criticisms about loopholes in his government's Buy Canadian policy as he announces an investment in Toronto's subway trains.