9 Mar Update: Trump Approves Tariffs on Steel and Aluminium Imports
President Trump signs the proclamation, but Canada and Mexico are exempt indefinitely. We get reaction from Nicholas Lardy of the Peterson Institute for International Economics in Washington DC. Plus, Cary Leahey of Decision Economics tells us how Wall Street reacted. And Emily Bates from the BBC's technology programme Click tells us why some of Amazon's Alexa smart loudspeakers have taken to spontaneously laughing out loud.