Frankfurt / AFP Tens of thousands of Delta Airlines passengers around the world were stranded on Monday by a computer outage that the company said had grounded all its flights. It blamed a power failure at its hub in Atlanta. “Delta has experienced a computer outage that has affected flights scheduled for this morning,” the company said in a ...

  How did Donald Trump win the Republican nomination despite clear evidence that he had misrepresented or falsified key issues throughout the campaign? Social scientists have some intriguing explanations for why people persist in misjudgments despite strong contrary evidence. Trump is a vivid and, to his critics, a frightening present-day illustration of this perception problem. But it has been studied ...

  The tangle of Syria is getting deeper. What started as a bloody crackdown on peaceful protesters mutated into a multifaceted proxy war that triggered Europe’s worst migrant crisis since World War II and facilitated the rise of IS and its global campaign of terror. It has grown into an international proxy conflict. There are regional powers Iran and Saudi ...