Turkey’s refusal to withdraw a military force from northern Iraq, following their highly-publicized entry on 3 December, has created yet another political storm for PM Haidar al-‘Abadi. The move has been seized on by rival Shia groupings to present themselves as the most reliable guarantors of Iraqi sovereignty.

Turkey’s incursion is not within Kurdistan Regional Government (KRG) territory proper, but rather Baeshiqa, in an area near the Nineveh provincial capital of Mosul...