Russian permanent representative to NATO Alexander Grushko talks to the press after the NATO - Russia meeting at the NATO headquarters in Brussels on April 20, 2016. NATO and Russia held "frank and serious" talks despite "profound disagreements" as their ambassadors met today for the first time since 2014, alliance chief Jens Stoltenberg said. / AFP / JOHN THYS (Photo credit should read JOHN THYS/AFP/Getty Images)