Iraqi Prime Minister Haidar al-‘Abadi’s continuing efforts to push through a cabinet reshuffle have plunged parliament into chaos. But a tentative reconciliation with the Islamic Supreme Council of Iraq (ISCI) opens the door for ISCI’s current Oil Minister ‘Adil ‘Abd al-Mahdi to remain. He publicly resigned last month.

A tumultuous week in Baghdad culminated on 14 April in a botched attempt by factions hostile to the PM to impeach Speaker Salim al-Jiburi, his...