President-elect Donald Trump's threatened tariffs could prompt Canada to pursue dollar-to-dollar retaliation or an export tax on oil and gas bound for the U.S.

Chrystia Freeland, the former finance minister who is running to replace Justin Trudeau as Canada's prime minister, says her country needs to release a “retaliation list” of goods the country would target if U.

Today, reporter Robert Tuttle looks at the close integration of US-Canadian oil markets and what that means for Donald Trump’s tariff plans. Among US President Donald Trump’s flurry of threats during his first week in office was a vow to impose 25% tariffs on imports from Canada.