Iran has benefited from the chaos and instability in the region and built a crescent of influence or corridor to the sea from Tehran that stretches through Baghdad, Damascus and Beirut.
A man carries a giant flag made of flags of Iran, Palestine, Syria and Hezbollah, during a ceremony marking the 37th anniversary of the Islamic Revolution, in Tehran, Feburary 2016(photo credit: RAHEB HOMAVANDI/REUTERS)BySETH J. FRANTZMANUpdated: