Follow the latest news on the major headlines of the day. White House National Economic Council Director Kevin Hassett said on Sunday he does not know what the definition of war is "when we're not shooting," the latest Trump official to avoid admitting the United States is engaging in an act of war against Iran by continuing its naval blockade on the Strait of Hormuz. CBS host Margaret Brennan asked the top economic adviser on "Face the Nation" whether the U.S. is at war with Iran, after