President Erdoğan's announcement of an imminent incursion onto northern Syria has complicated his spat with NATO. What will Sweden and Finland do, to meet Turkey's conditions to lift its veto on NATO membership? What is the prime reason for Sweden to keep its relations with the Syrian Kurdish YPG forces? At the end of the day, will the USA be able to cut Gordion's Knot? Jan Hallenberg, a top Swedish expert on NATO and a senior researcher with the Insititute of International Relations (UI) explains the context to Yavuz Baydar, Editor of Ahval News.