BLOOMINGTON, Ind. (AP) -- An airplane that raised questions in this college town is being used by the FBI to monitor people who might have terrorist connections, agency officials acknowledged. The FBI denied knowledge of the plane earlier this week after aviation officials disclosed that the aircraft was conducting law enforcement surveillance. Agent Thomas V. Fuentes said the FBI issued the denial because a reporter asked if the airplane is doing electronic surveillance, which it is not. Fuentes and agent James H. Davis said the FBI is not aware of any threat to Bloomington or the state, but is watching...