American jets, helicopters and artillery pounded insurgents today in and around Falluja, which the military says is home to a terror network headed by the Jordanian militant Abu Musab al-Zarqawi. The operation, which was supported by American marines, soldiers and Iraqi forces, came as the Islamic holy month of Ramadan began, and a day after Mr. Zarqawi claimed responsibility for twin bombings in Baghdad’s heavily-guarded Green Zone that killed at least five people. It also follows his rejection of peace talks with the Iraqi interim government, headed by Prime Minister Ayad Allawi, who had demanded that the rebels hand over Mr. Zarqawi or face military action. Full Story