![NATO Secretary General Jens Stoltenberg and Afghanistan's President Ashraf Ghani speak at a news conference in Kabul on March 15, 2016.](/sites/default/files/multimedia_images_2016/nato-afghanistan-letter.jpg)
NATO Secretary General Jens Stoltenberg and Afghan President Ashraf Ghani speak at a news conference in Kabul on March 15, 2016.
© 2015 Reuters
NATO Secretary General Jens Stoltenberg and Afghan President Ashraf Ghani speak at a news conference in Kabul on March 15, 2016.