ROME Italian investigators are looking into a second ring of suspected terrorists who may have been plotting a chemical weapons assault on Rome. An Algerian, a Pakistani, a Tunisian and three Iraqis were arrested in early morning raids Friday. A group of Moroccans was arrested last month with a map of the U.S. Embassy and large quantities of a cyanide compound that experts say could have been turned into a deadly gas. The ring busted Friday is thought to be completely independent of the Moroccans, officials said, although both likely have ties to Al Qaeda's network of terror. Investigators said ...