📝 Executive Summary
Mark Carney's warning that 'everything is on the table' signals a severe escalation in US-Canada trade tensions, raising the specter of retaliatory tariffs, currency measures, and supply chain disruption. The 50% tariff threat from the US would be the highest in recent memory, potentially reshaping North American trade flows. Markets are bracing for volatility, with risk assets under pressure and safe havens like the dollar and gold in focus.