Iraq’s capital lurched closer to a renewed cycle of sectarian slaughter Tuesday after the bodies of a Sunni cleric and his aides, allegedly kidnapped by Shiite militiamen, were found in a Baghdad morgue and dozens of inmates were killed in a prison as insurgents battled security forces about 35 miles north. The Association of Muslim Scholars said Imam Nihad al- Jibouri and two of his aides were executed after being abducted by men dressed as members of the security forces. The killings are reminiscent of the tit-for-tat violence of the worst days of Iraq’s 2005-2007 civil war. The Sunni group warned of retaliation. Baghdad has remained relatively calm amid a rampage in the north by al-Qaeda-inspired militants from the Islamic State of Iraq and Syria (ISIS). But with thousands of Shiite volunteers answering a call to arms from religious leaders and the Shiite-led government, many Sunnis in […]