Archbishop of Canterbury Rowan Douglas Williams, Ecumenical Patriarch Bartholomew I, Pope Benedict XVI and Rabbi David Rosen look on as a person holds a dove prior to releasing it during a peace meeting in front of the St. Francis Basilica in Assisi, central Italy, on Thursday. (Associated Press)

Archbishop of Canterbury Rowan Douglas Williams, Ecumenical Patriarch Bartholomew I, Pope Benedict XVI and Rabbi David Rosen look on as a person holds a dove prior to releasing it during a peace meeting in front of the St. Francis Basilica in Assisi, central Italy, on Thursday. (Associated Press)