At a time of heightened tension in the Middle East, Cuba’s handpicked president, Miguel Díaz-Canel, met with Iranian leaders in Tehran and signed half a dozen cooperation agreements in another signal that Havana is strengthening its alliance with anti-Western regimes. Díaz-Canel traveled to Iran on Sunday and met with Iran’s supreme leader, Ayatollah Seyyed Ali Khamenei, the next day. At the meeting, Khamenei said the two countries should use their “capacities … to set up an alliance and a coalition among those countries that share the same position against the U.S. and Western bullying,” Engl…