By the Editorial Team of TLF Washington’s warning comes at an awkward moment for Baghdad. American troops are preparing to leave, the promised disarmament of powerful militias has slipped well beyond the withdrawal date, and the war with Iran is making it increasingly difficult for Iraq to stay out of the regional confrontation. Marco Rubio chose a striking word to describe the danger facing Iraq: “Balkanisation.” But the US Secretary of State’s warning does not necessarily mean Washington expects Iraq to break apart. The more immediate concern is subtler — and, for Baghdad, perhaps more difficult to manage. Iraq could remain one country on the map while authority over guns, security and foreign policy becomes increasingly fragmented on the ground. The timing of Rubio’s intervention matters. The remaining US forces are due to leave Iraq by September 30 under the phased agreement that ends the international coalition’s military mission against ISIL. At almost exactly the same mome...