Canada is retaliating against the Trump administration with counter-tariffs targeting more than 700 products, putting its hardest squeeze on American steel and aluminum.
Zi-Ann Lum is a Reporter at POLITICO. She covers a range of topics including energy policy and regulation, mining operations, and public policy, with a focus on government and politics in North America and beyond. Zi-Ann's work has been featured in POLITICO Europe, Yahoo Finance, Yahoo News, NewsBreak, E&E News, and MSN.