U.S. President Joe Biden and Prime Minister Justin Trudeau addressed reporters Friday afternoon against a backdrop of Maple Leaf flags and star-spangled banners — but they also had China on their minds. The Chinese Communist Party's shadow even led to a slip-up during Biden's address to Parliament. "Today I applaud China for stepping up, or, excuse me, I applaud Canada," he said to some laughter. "You can tell what I'm thinking about China. I won't get into that yet." His two-day visit to Ottawa comes as Trudeau's government grapples with Beijing's alleged meddling in Canada's affairs, including the past two...