KABUL, May 31 (Xinhua) -- As the school day ends, 10-year-old Aisha returns home and settles by the doorway, her eyes fixed on the narrow alley outside. She is waiting for her father -- not for toys or treats, but for the plastic bag he might bring home, hopefully containing a few notebooks or pencils. In a family of eight, where her father earns daily wages by pushing a handcart through the streets of Kabul, eve