Opinion Presidents Hassan Rouhani of Iran, Tayyip Erdogan of Turkey and Vladimir Putin of Russia pose for a picture after a news conference during their meeting in Ankara, Turkey, September 16, 2019. Photo: Pavel Golovkin/Pool via REUTERS. JNS.org – Less than a week after US President Joe Biden left the Middle East following a visit that focused on the informal Israeli-Sunni Arab alliance in the region, Russian President Vladimir Putin boarded a plane to Iran, the leader of the opposing Shi’ite axis. Turkish President Recep Tayyip Erdo?an of Turkey joined the summit in Tehran. The three regimes represented in Tehran...