The president has circled April 2 as the culmination of his "American first" economic policy, which has already shaken markets and started a trade war.

He pointed to $1.3 billion Canada is spending on new security measures along the border. Both countries called the link between fentanyl smuggling and trade barriers unjustified and announced ...

The Canada-U.S. relationship is at its lowest point in more than a century with U.S. President Donald Trump’s near-daily threats to ruin the Canadian economy and undermine the country’s sovereignty.