Forget the “gig economy” — at least for now. On Labour Day 2016, we are in the midst of a historic transformation of the American job market. Popular attention focuses on Uber and similar internet-based networks that unite buyers and sellers. “TaskRabbit,” for example, creates a platform for people who need something done (grocery shopping, plumbing) and those willing, …

  The North American Free Trade Agreement, Donald Trump said on Wednesday, “has been a far greater benefit to Mexico” than the U.S. Just minutes before, Mexican President Enrique Pena Nieto, standing by Trump’s side in Mexico City, said Nafta had done both countries “a lot of good.” Trump disagrees over which country benefited the most, but he didn’t disavow …

  Barack Obama and Xi Jinping have obvious disagreements over how to handle North Korea’s illicit weapons program. China is angry about U.S. plans to deploy advanced missile defenses in South Korea to counter the threat, while Obama faces pressure to sanction Chinese banks and companies that help sustain Kim Jong Un’s nuclear ambitions. But the two presidents still have …