No clues on missing Poro Point execMANILA, Philippines — Authorities are still clueless on the disappearance of Nicky Oller, chairman of the board of directors of Poro Point Management Corp.PPMC is a subsidiary of the state-run Bases Conversion and Development Authority, which manages former military bases and properties. Oller, 59, has been missing since July 31. La Union police have formed a special investigation task group to locate Oller. Joining the probe are the police Criminal Investigation and Detection Group and the National Bureau of Investigation. — Emmanuel Tupas