Ottawa says it’s done its part in removing federal exceptions to make interprovincial trade easier. But with most of the barriers still in provincial hands, we speak to Ryan Mallough from the Canadian Federation of Independent Business, about the federal government’s actions and whether they’re enough and Ryan Manucha, a research fellow at the CD Howe Institute, on why reducing interprovincial trade barriers remains complicated and what Canada can learn from other countries that have tackled similar challenges.