Both Warsaw and Jerusalem have a lot to gain from maintaining a strong and stable relationship and much to lose from giving in to populist forces.

Palestinian Authority Foreign Minister Riad Malki calls Trump administration's relocation of the U.S. Embassy in Israel to Jerusalem a "provocative and illegal action."

When Hassan Rouhani succeeded Mahmoud Ahmadinejad in 2013, he was seen as an establishment figure. Two years later, he signed the nuclear deal, and now his authority is waning.

An independent state controls its own borders and "Palestine" would therefore be free to import truckloads of Iranian weapons.

"We are deeply saddened to have hurt our partners in the Jewish community and beyond," Philadelphia Muslim groups say, following backlash over video of children speaking in Arabic about beheading Jews and liberating Al-Aqsa Mosque.