ROME (AP) - Italian mobsters and Islamic terrorist groups have forged links in arms and drug trafficking, Italy's top anti-Mafia investigator said. Pierluigi Vigna, Italy's national anti-Mafia prosecutor, singled out a Naples mob known as the Camorra, which deals in arms and drugs, among other rackets. "There are ties without doubt," Vigna told reporters Monday at a briefing at the Foreign Press Association. "We have evidence that Camorra groups are implicated in exchange of arms for drugs with terrorist groups," Vigna said. Asked if these were Islamic terrorist groups, he replied, "Muslim terrorist groups." He said judicial secrecy prevented him...