The content originally appeared on: CNN A version of this story first appeared in CNN's Meanwhile in the Middle East newsletter, a three-times-a-week look inside the region's biggest stories. Sign up here. (CNN)Iraq is in the midst of its worst and longest political crisis in years. At the center of this overheating conflict stands Iraqi political kingmaker Moqtada al-Sadr and a rival bloc of parties with strong ties to neighboring Iran. In a show of strength, supporters of Shiite cleric […]