As dawn breaks, hundreds of men gather at a dusty square in Chaghcharan, the capital of Ghor province in Afghanistan. They line the roadside with weary faces, hoping someone will come along offering any work. It will determine whether their families eat that day. The likelihood of success, however, is low. Juma Khan, 45, has found just three days of work in the past six weeks that paid between 150 to 200 Afghani ($2.35-$3.13; £1.76-£2.34) per day. "My children went to bed hungry three nights in a row. My wife was crying, so were my children. So I begged a...