The Pope has invited the presidents of Israel and Palestine to pray with him at the Vatican on 6 June. What if, in recognition of this graced initiative and as an expression of worldwide support for it, Muslims, Jews and Christians observed a Triduum of prayer that weekend? What if Muslim leaders called on all mosques to observe Friday 6 June as a day of prayer, Jewish leaders called on all synagogues to observe the same on Saturday 7 June and the patriarchs of the ancient Christian Churches we