Patriarch Bartholomew I calls for religious freedom and tolerance to counter extremism . Pope Francis : Fanaticism and fundamentalism need to be countered by those of all faiths . Patriarch Bartholomew I , spiritual leader of ISIS , invited Pope . Francis is the fourth Pope to travel to Turkey , following in the footsteps of Paul VI , John Paul II and Benedict XVI . Many refugees in Iraq , including Syrian , have fled violence in Iraq and Syria .
Patriarch Bartholomew I calls for religious freedom and tolerance to counter extremism . Pope Francis : Fanaticism and fundamentalism need to be countered by those of all faiths . Patriarch Bartholomew I , spiritual leader of ISIS , invited Pope . Many refugees in Iraq , including Syrian , have fled violence in Iraq and Syria .