Uncertainty again | Trump’s tariff threats returned in full force last week with Canada a chief target — click here for a full rundown and watch these experts talk about the fallout:

Watch White House senior adviser Peter Navarro discuss the US administration’s effort to reconstruct its tariff program using several trade laws.

Meanwhile, former Canadian Deputy Prime Minister Chrystia Freeland argues Canada still has leverage as a major US export market and a supplier of energy, aluminum and potash, particularly as conflict near the Strait of Hormuz pressures global fertilizer markets.

Lastly, Steven Rattner of Willett Advisors breaks down what’s actually happened with China and other trading partners under Trump’s tariffs, and what it means for investors, businesses and the US economy.

Charted Territory

Revenue boost | Trump’s latest tariffs are drawing anger from trading partners and voters but the leverage and revenue they offer could make it hard for future presidents to fully give them up. “I do think in general tariffs are going to be more sticky than a lot of people believe,” said Josh Lipsky, vice president and chair of international economics at the Atlantic Council.