Commentary An American three-star general and former national security advisor to President Trump has coined the term “strategic narcissism” to describe the ambitions and the failings undergirding Russia’s unopposed invasion of Ukraine. Here in strategically invisible Canada, where our foreign policy is played entirely for domestic consumption, H.R. McMaster’s telling phrase has tactical adaptability for explaining the recent solipsistic antics of Prime Minister Justin Trudeau. As we all embarrassedly witnessed, the prime minister’s handling of the “occupation” of Ottawa by a few hundred protesting knights of the road with big rigs—not to be confused with the real occupation of Ukraine by almost 200,000 Kremlin troops—gave the appearance of a man who arrives at the highest office in the land each morning in a convoy of clown cars. The most charitable reading suggested a man deeply out of his depth. His rationalization for forcing on Canadians the never-before-deployed Emergencies Act, then …