2 hours agoNewsDuration 7:00

Chief of the Defence Staff Gen. Jennie Carignan, the head of the Canadian Armed Forces, says Canada may be called on to help defend Persian Gulf states from retaliatory strikes by Iran as U.S.-led attacks expand into a wider regional war. Retired lieutenant-colonel Steve Nolan discusses Carignan’s comments, as well as a recent White House video that appears to gamify warfare.