US President Donald Trump, after talks with Turkish President Recep Tayyip Erdogan, decided –once again- to pull back US troops from (Northern) Syria. While the troop withdrawal is on way, Pentagon officials and some heavy-weight senators are trying to dissuade Trump, as they did and succeeded in late 2018. Will Trump make another U-turn? If not, will Russia and Iran give implicit backing to a Turkey-led operation in the east of Euphrates? Turkey is testing limits in Syria, once again.