As World Youth Day wraps up in Poland, a keen analyst explains how experiences of faith can change the world. Jorge Dominguez, editor of Nuestra Voz newspaper, speaks of the visit of St. John Paul II to Poland that helped bring down the Iron Curtain. In the final part of his conversation with Currents Correspondent Katie Breidenbach, Jorge also says we will see many more great saints rising to meet today’s troubling times.