Canada's greatest vulnerability is disinformation, and we have no defence for it

Kevin Newman is a retired journalist and part of a volunteer effort to combat disinformation. For some young man, somewhere in Canada, his Instagram feed is right now serving up a humorous but enticing fantasy. "What if the United States, Mexico and Canada united to create one country?" an animated video with crude references asks. "Economically, this union would dominate with a GDP of over $28-trillion, making it the richest country on Earth! … Geographically, this supernation would span 21.66 million square kilometres, overtaking Russia as the largest country!" For almost a minute, it pitches giving up Canadian sovereignty in…