Herat, Afghanistan (CNN) — As we stroll down a dusty back street in Herat, Afghanistan’s third-biggest city, a high gate made from sheets of rusted corrugated iron and a door that’s bolted shut confronts us. On the other side of this fortress-like barrier we can hear children’s voices and playful laughter. When we knock the voices fall silent and a young man comes to the gate. He asks for our names […]