BAGHDAD, Iraq - Bomb-building Islamic radicals have joined forces with guerrilla foot soldiers from Saddam Hussein (news - web sites)'s ousted regime in a bloody insurgency that now has a new target: Iraq (news - web sites)'s fragile day-old government. Officials have been warning that insurgents were planning a bloody offensive and a spate of car bombs to disrupt the day that the interim government is installed. U.S. occupation chief L. Paul Bremer and his entourage, who abruptly handed the reins to Iraq's new government on Monday, two days early, sidestepped the expected mayhem. But the Iraqis — and the...