U.S. strikes Iran-backed groups in Iraq after U.S. troops attacked

New fuel for growing fears of a broader war in the Middle East after U.S. air strikes inside Iraq target Iran-backed militants. The Pentagon says it's payback for attacks on American troops who are increasingly being targeted in the region. Plus, an update on the southern border where more than 11,000 migrants are waiting to enter the United States.   Learn more about your ad choices. Visit podcastchoices.com/adchoices