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

Roland Paris provides live analysis of Mark Carney's Davos speech on CBC News Network.

Published by Chatham House , January 13, 2026

Excerpts from interview on the CDA Institute Expert Series Podcast about different aspects of the U.S. military action in Venezuela.

Interview on CBC radio, January 5, 2026 https://www.cbc.ca/listen/live-radio/1-100-ottawa-morning/clip/16190101-nicolas-maduro-u.s.-custody.-whats-next

Quoted in: https://www.theglobeandmail.com/politics/article-canada-allies-trump-flouting-international-law-paris-summit/

Interview on CBC radio "Cross-Country Checkup" on January 4, 2026. https://www.cbc.ca/listen/live-radio/1-13-cross-country-checkup/clip/16190076-the-us-captures-maduro-now-what

Discussion of the legality and international implications of the US military action in Venezuela and the ouster of the country's sitting president.

Analysis of the foreign policy approach of the Mark Carney government to date.

Quoted in the New York Times, October 31, 2025: https://www.nytimes.com/2025/10/31/world/canada/carney-xi-meeting-canada-china.html