Mark Warner was quoted in the Toronto Star on the U.S. “national security” tariffs under Section 232 of the Trade Expansion Act of 1962 on aluminium and steel imports and threatened ones against autos and auto parts and prospects for closing the North American Free Trade Agreement (NAFTA) deal . (September 19, 2018) Mr. Warner is a Canadian and U.S. lawyer who has practiced in Toronto, Washington, DC and New York and has advised governments on trade policy and trade negotiations and previously worked on trade and competition issues as counsel in the OECD Trade Directorate. Mr. Warner was Legal Director of the Ontario Ministry of Economic Development & Trade led Ontario’s legal team in the CETA negotiations, provided advice on the design of the Green Energy Act and related WTO dispute settlement proceedings, advised on various NAFTA Chapter 11 investor-state arbitration, and on procurement issues in the Canada-U.S. Agreement on Government Procurement. He is co-author of a leading Canadian trade law treatise, has also published numerous articles and has been invited to speak at conferences around the world.