Iraqi leaders have failed to jump-start a stalled oil export and revenue-sharing deal between the federal government and the autonomous Kurdistan Regional Government (KRG).KRG Prime Minister Nechirvan Barzani led a delegation to Baghdad on Sunday for talks aimed at reviving their cooperation. But neither side has met the terms of the deal, which is embedded in the 2015 budget law, and officials from both governments indicated the agreement is still essentially on hold.“There is an item…