Prime Minister Justin Trudeau has called the decision to invite an elderly Ukrainian Second World War veteran who fought for Nazi Germany an "egregious error" that "deeply embarrassed Parliament and Canada." On Wednesday, he offered what he called "unreserved apologies" on Canada's behalf for the hurt it caused. Many experts say they're skeptical about the prospect of Canada's political leaders and institutions learning something from the now-infamous episode that capped President Volodymyr Zelenskyy's trip to Canada. Many historians will tell you that what we've witnessed over the last several days is history coming back to bite Canada — specifically over...