

Mark Carney's Foreign Policy: One Year In
Assessing Mark Carney's foreign policy during his first year as prime minister.


Conversation with Canada's foreign minister Anita Anand
Roland Paris in conversation with Canada's foreign minister Anita Anand on the fourth anniversary of the full-scale invasion of Ukraine.


US Supreme Court tariff ruling could deepen trade policy uncertainty
By Roland Paris Published by Chatham House , February 22, 2026 The Supreme Court’s decision to invalidate Donald Trump’s emergency tariffs may have removed one instrument from his tariff toolkit, but it has done nothing to make US trade policy more predictable. If anything, it may herald even greater volatility. Trump retains several alternative instruments now that tariffs imposed under the International Emergency Economic Powers Act (IEEPA) have been ruled unlawful. Each en