CAMP DAVID, MD - MARCH 23:   Afghanistan Chief Executive Abdullah Abdullah (L) and Afghanistan President Ashraf Ghani hold a news conference after a day of talks at Camp David March 23, 2015 in Camp David, Maryland. The leaders talked about security, economic development and American support for the Afghan-led reconciliation process before Ghani and Abdullah meet with President Barack Obama Tuesday.  (Photo by Chip Somodevilla/Getty Images)