Open this photo in gallery: A graphic of a Canadian flag is publicly displayed at the Pioneer Walkway in Osoyoos, B.C., on March 28.Aaron Hemens/The Globe and Mail For two regulars at a popular pub in Osoyoos, B.C., the topic of Pierre Poilievre’s support for the convoy protest that descended on the nation’s capital three years ago is a litmus test of their broader political views. To Michael Matthews, who works in hospitality, the Conservative Leader’s appearance at the demonstration turned occupation was a “brutal” endorsement of a group that included people displaying Nazi flags and other hateful imagery. “Is...