(Feb 16, 2022) Ottawa's police chief's resignation is the latest turn as anti-vaccine mandate trucker protests paralyze Canada's capital. Prime Minister Justin Trudeau invoked the Emergencies Act Monday to deal with the trucker protests. NCPR correspondent James Morgan explains what that means. Also: Flood warnings are taking effect from the Adirondacks to Akwesasne as a mid-winter melt sets in.