The trade war with Donald Trump has left many Canadians angry and worried. In response to Trump’s steel and aluminium tariffs, Canada announced retaliatory tariffs on U.S. imported goods worth $29.8 billion. But Trump is not backing down, and is still continuing with his “51st state” taunts. So, how should Canada respond? What options do we have? Carlo Dade is the director of international policy in the school of public policy at the University of Calgary. He is also a senior fellow at the Canada West Foundation. He joined us to take caller questions about Canada's tariff retaliation plan.