Thy neighbours, beggared: Trump’s opening tariffs

President Donald Trump followed through on his tariff threats, starting with Canada, Mexico and China. We look at the first skirmishes in what promises to be a painful trade war (10:30). A Concorde-style supersonic passenger jet could soon be flying again, if one company gets its way. And why standing ovations are no longer a rare sight (16:40).Get a world of insights by subscribing to Economist Podcasts+. For more information about how to access Economist Podcasts+, please visit our FAQs page or watch our video explaining how to link your account.