Mark Carney, the former central banker who said 'no' to Trump

Canadian Prime Minister Mark Carney is more seasoned as a banker than a politician but has shown a confident touch in standing up to US President Donald Trump and navigating a trade war that threatens his nation's economy. It was trade tension with the United States that propelled him to power -- two months after Trump began his second term -- as Canadians saw him as a protector of their economy.