President Barack Obama on Tuesday warned Iran to end its unilateral military role in Iraq, part of a broader U.S. effort to weaken Tehran’s influence in the fight against Islamist extremists in the Middle East. With Iraqi Prime Minister Haider al-Abadi sitting by his side in their first official Oval Office meeting, Mr. Obama said Iran had to “respect Iraqi sovereignty” by channeling any military support through Baghdad. Now, Tehran backs Shiite militias fighting Sunni militants from Islamic State. Mr. Obama also moved to tighten U.S. ties with Iraq by announcing $200 million in fresh humanitarian aid for the country. Iraqi Prime Minister Haider al-Abadi visits the White House on Tuesday. Col. Wes Martin (Ret.) explains the agenda will likely include how to […]