Syria stands on the threshold of dramatic changes that will directly impact on the strategic and military situation along the Syrian borders with Israel and Jordan. They derive from a deal struck this week by US President Donald Trump and Russian President Vladimir Putin to establish US, Russian and Turkish security zones in Syria. This scheme will transfer military control of the country to those three powers. Each of them will be responsible for a zone whose borders will be defined and agreed upon by Washington, Moscow and Ankara. As part of this arrangement, all forces from the Iranian military,...