Thinking the Unthinkable
Robert C. HillPublished on: 01/10/2026
Mark Carney says planning for a possible U.S. attack is simply “risk management.” He’s right. Here’s why governments must think about extreme scenarios—and what writing Invasion taught me about the value of asking, “What if?”
Mark CarneyUS invasion of CanadaCanada US relationsCanadian defence planningcontingency planningDefence Scheme No. 1national resiliencegeopolitical risk
