This week on "Face the Nation with Margaret Brennan," after a whiplash week of on-again, off-again tariff announcements, Canadian ambassador to the U.S. Kirsten Hillman joins to discuss the costs and consequences of a trade war. Plus, former White House Russia expert Fiona Hill discusses President Trump's diplomatic pivot on Ukraine.
European arms imports rose 155% in 2020-24 and Ukraine has become the world's biggest arms importer following Russia's 2022 invasion, according to a report released by a leading conflict think tank on...