U.S. attacks 3 Iranian tankers in tit-for-tat response

U.S. forces struck three Iranian oil tankers Saturday after Iran fired ballistic missiles at two U.S. Navy warships, U.S. Central Command said. Why it matters: The strikes continue a tit-for-tat war that just passed the six-month mark. A U.S. official told Axios this week it had a new "tanker-for-tanker" policy approved by President Trump. Driving the news: CENTCOM said it retaliated after a U.S. aircraft carrier and guided-missile destroyer evaded missiles fired by Iran. The U.S. attacks…