A diplomatic crisis between Iraq and the U.S. is raising uncertainty and concern among Iraqi security officials responsible for beating back an ongoing insurgency being prosecuted by the self-proclaimed Islamic State (IS) militant group. The militants have launched at least three attacks already in January, including the Wednesday bombing of an Iraqi Army convoy near Kirkuk’s Jambour oil field, highlighting a persistent security challenge in which the U.S.-led coalition has been providing significant support – at a time when the Iraqi government is calling for the withdrawal […]