Chris Miller met Afghanistan President Ashraf Ghani and Gen. Scott Miller, the top U.S. commander in the country. He also visited with U.S. troops deployed there during the holiday season.
The Institute of War and Peace Studies found optimism for the country's peace process dropped to 57 percent, down from 86 percent among Afghans surveyed after talks began in September.
The first visit to Kabul by Washington’s peace envoy since Afghanistan's squabbling political leadership reached a power-sharing agreement comes amid increased violence blamed mostly on an Islamic State affiliate that has been targeted in stepped-up U.S. bombing.