Donald Trump has threated to impose a tariff of 25 per cent on goods from Canada. A RadioLabour interview with the president of the Ontario Federation of Labour, Laura Walton. Plus the LabourStart report on union events. And singing: 'Hold That Line.'

RadioLabour is the international labour movement's radio service. It reports on labour union events around the world with a focus on unions in the developing world. It partners with rabble to provide coverage of news of interest to Canadian workers.