President Obama delivered a warning to Iran yesterday over the fight against ISIS. He said Shiite fighters backed by Iran and now battling ISIS militants in Iraq must respect Iraqi sovereignty. Those remarks came after a White House meeting with Iraqi Prime Minister Haider al-Abadi. Here's NPR's Mara Liasson.
MARA LIASSON, BYLINE: President Obama said it was understandable that Iraq and its neighbor Iran - both Shia majority countries - would cooperate in the fight against ISIS. But Mr. Obama said any foreign assistance must be under the unified control of the Iraqi government.