The veteran journalist and author of In the Hot Zone and The Things They Cannot Say explores the impact of more than a decade of war on Afghanistan, from the American invasion after 9/11 to today, and offers insights into its future and the possible consequences for the U.S. Kevin Sites made his first trip to Afghanistan in October 2001, staying 100 days to cover the U.S. invasion for NBC News. On his fifth trip to the country in June 2013,...