Bloomberg Bulgaria and Russia agreed to resurrect the canceled South Stream natural gas pipeline across the Black Sea and the Belene nuclear power plant as the Balkan country seeks to reduce payments over unfulfilled contracts awarded to Russia by international courts. Bulgaria and Russia agreed to set up working groups that will seek ways to resume work on the …

  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 …