Iran is considering using dolphins armed with mines to blow open the Strait of Hormuz, which has been under a financially crippling US military blockade for weeks, according to a report. While the tense extended cease-fire with the US holds, a growing number of Iranian hardliners believe that the financial crisis sparked by the US blocking Iran’s oil exports amounts to an act of war and have called for resuming military action. That military action could include unleashing previously unused weapons to attack US warships deployed in the region — including mine-carrying dolphins, according to Iranian officials, the Wall Street...