Three U.S. Navy destroyers transiting the Strait of Hormuz came under attack on Thursday, and the U.S. struck on two Iranian ports abutting the strait, putting into question an increasingly fragile U.S.-Iran ceasefire. Washington — Three U.S. Navy destroyers transiting the Strait of Hormuz came under attack on Thursday, and the U.S. carried out strikes on two Iranian ports abutting the strait, putting into question an increasingly fragile monthlong ceasefire betwee... [4550 chars]