NATO Secretary General Jens Stoltenberg(L) during a meeting with US President Barack Obama in the Oval Office at the White House in Washington, DC, on May 26, 2015. AFP PHOTO/NICHOLAS KAMM (Photo credit should read NICHOLAS KAMM/AFP/Getty Images)
NATO Secretary General Jens Stoltenberg(L) during a meeting with US President Barack Obama in the Oval Office at the White House in Washington, DC, on May 26, 2015. AFP PHOTO/NICHOLAS KAMM (Photo credit should read NICHOLAS KAMM/AFP/Getty Images)