The Facebook page of Mamoun Abunaser, an UNRWA school principal in Syria, carries an exhortation to support Palestinian "resistance." Image: Facebook Further examples of officials employed by UNRWA engaging in anti-Semitic activities online continue to surface, with no indication that the international organization’s management intends to clamp down on the incitement. As The Algemeiner reported last week, several UNRWA employees were among the many Palestinians who openly celebrated last Tuesday’s terrorist atrocity at a synagogue in Jerusalem, during which four worshippers and a police officer were brutally murdered. UNRWA is a body devoted solely to Palestinian Arab refugees from the...