Don't do it for the likes: Why travelers shouldn't post their boarding pass online

MUMBAI, INDIA — Back on the international stage for the first time since his headline-grabbing speech in Davos, Prime Minister Mark Carney is taking that message on the road, first to India, then likely later to Australia when he addresses its Parliament. Carney’s rallying cry last month was that middle powers must unite against “hegemons” and he told an audience in India that his words resonated because he said out loud what many of those middle powers are thinking. While government officials downplayed the question of whether the prime minister on his travels would be delivering a...