AL-QAEDA: The group's name again comes up. Experts see new organization, old violence. By Dave Montgomery and Warren P. Strobel INQUIRER FOREIGN STAFF RIYADH, Saudi Arabia - With al-Qaeda being linked to three devastating attacks in Turkey and Saudi Arabia in the last two weeks, the group appears to be leaving a new signature as an increasingly decentralized and unpredictable terrorist network that appears harder to fight.Experts and diplomats said the recent resurgence of al-Qaeda violence also showed that Osama bin Laden's 14-year-old terrorist fraternity was as lethal as ever, despite the U.S.-led war on terrorism. The organization essentially...