World May 07 U.S. destroyers and Iran trade fire in Strait of Hormuz in serious test of ceasefire The U.S. and Iran have exchanged fire in the Strait of Hormuz, with the top Iranian military command accusing Americans of violating the now-month-old ceasefire, while the U.S. says the truce remains in effect. Nick Schifrin joins Amna Nawaz with…