Canadian Prime Minister Mark Carney praised President Donald Trump for his “bold measures” to address substantial changes around the globe to commence the G7 meeting in Alberta, Canada, on Monday. Carney referenced several previous G7 gatherings throughout the last five decades at “turning points in history,” including after the fall of the Berlin Wall and after the September 11, 2001, terrorist attacks on the United States, and contended the current moment is another turning point on the global stage: We’re meeting at one of those hinge moments, those turning points in history. The world’s more divided and dangerous. Hostile states...