WASHINGTON -- The health of terrorist cleric Omar Abdel-Rahman, the so-called Blind Sheik, is deteriorating _ renewing fears that his death in prison could trigger an attack on the United States, officials said Thursday. There is no credible indication that an attack on the U.S. is imminent, said several law enforcement officials who spoke on condition of anonymity because of the sensitive nature of the situation. In a two-page bulletin, dated Dec. 8, the FBI reported to federal intelligence officials that Rahman was rushed from prison to a Missouri hospital two days earlier for a blood transfusion. There, doctors discovered...