Operations Against Islamic State Spotlight Competing Priorities for U.S.


A disparate collection of forces have launched two separate offensives against Islamic State, solidifying a de-facto alliance between longtime opponents Iran and the U.S. to drive the group from the last remaining territory it holds.

Iraqi forces early Sunday started a military operation in Tal Afar, one of Islamic State’s last important strongholds in the country. The offensive unites U.S-backed Iraqi forces with Iran-supported…