Beaverton / Bloomberg The race to run the world’s biggest sports brand is now a three-way contest. Nike Inc. Chief Executive Officer Mark Parker isn’t going anywhere just yet, but an April shakeup in the executive ranks has set off speculation that an internal battle is brewing for the opportunity to succeed him. The payoff: a chance to …

  Washington / TNS A lack of staff to train air traffic controllers means it can take six years — twice the norm — for the new hires to become fully certified at the busiest US control facilities, according to industry experts and government reports. The training delays come as the National Air Traffic Controllers Association says it faces a …

  Ottawa, Canada / AFP Canada, Mexico and the United States will look to dovetail their climate and other policies into a continental strategy when Prime Minister Justin Trudeau hosts Barack Obama and Enrique Pena Nieto on Wednesday. But Britain’s shocking vote to quit the European Union has also abruptly shoved itself onto the agenda of the summit, which the countries …