The newly named leader of al Qaeda in Iraq threatens to attack Sunni government officials in Baghdad’s fortified Green Zone, according to a statement published Tuesday on a Web site often used by insurgents. The statement, addressed to “my dear nation,” came the day after Islamist Web sites said Abu Hamza al-Muhajer had been named the successor to terrorist leader Abu Musab al-Zarqawi, who was killed in a U.S. airstrike Wednesday. Full Story