FILE- In this Aug. 3, 2014 file photo, activists wave Palestinian flags as Pope Francis celebrates the Angelus noon prayer from his studio window overlooking St. Peter's square at the Vatican. On Thursday, Sept. 10, 2015, the U.N. General Assembly overwhelmingly approved a resolution allowing the Palestinians and the Holy See to raise their flags at U.N. headquarters, a symbolic step pursued by the Palestinians in their quest for an independent state. (AP Photo/Riccardo De Luca)