As his country’s security forces struggle to push back the jihadist insurgents of the Islamic State, Prime Minister Haider al-Abadi of Iraq , only a month in office, has been battling foes even closer to home: critics within his own party and the Shiite bloc it leads. Among those nettling Mr. Abadi, several politicians said, is his predecessor, Nuri Kamal al-Maliki , who reluctantly agreed to cede the top post under pressure from the United States, Iran and the top Shiite clerics. The political feuding threatens to undermine the Iraqi government at the moment it is trying to marshal resistance against the Islamic State, not to mention deal with a long list of other domestic crises, including a moribund economy, rampant government corruption and threats of Kurdish secession, Iraqi and international officials said. “Abadi may very well be the last leader for Iraq capable of reuniting the […]