The opening shot in a fifth softwood-lumber war between U.S. and Canada is expected this week, and policy-makers north of the border are preparing to calculate the potential damage of American duties.

Here's some good news for Canadian pot smokers: high taxes will not join the munchies, the pasties and short-term memory loss as unwelcome side effects of smoking up.

Prime Minister Trudeau sounded resigned to a future filled with presidential mood swings: "(Trump is) a little bit unlike many politicians," the prime minister said, acknowledging laughter.

Donald Trump's complaint about Canadian milk may have been brasher, louder, and certainly more public, it carried a familiar ring to the circle of people who sat in on Trudeau meetings with Obama.

A potentially transformative event for American politics occurred a few days ago, gaining little attention amid the glare of cruise-missile strikes in Syria.

Western countries are presenting a high-stakes ultimatum to Russia: Allow regime-change in Syria and cut loose Bashar Assad, or remain a pariah moored on the fringes of the international community.

Rona Ambrose says she's feeling a bit reassured after meeting U.S. President Donald Trump's point man on trade and wants to take that message home to calm jitters in the business community.

President Donald Trump's point man on the North American Free Trade Agreement is expressing frustration at the go-slow attitude of American lawmakers.

Trump said he was stirred to act by the sight of children killed by sarin gas. His retaliatory strike at a Syrian airfield received broad backing in Washington, the Russians say they are livid.

American warships launched dozens of rockets at a military air base in central Syria after a nerve-gas attack that killed scores of civilians including children, U.S. officials said late Thursday.