PDAF SCAM INVESTIGATION: Senate Majority Leader Alan Peter Cayetano questions Commission on Audit (COA) chair Grace Pulido Tan during a public hearing conducted by the Senate Blue Ribbon Committee, which is investigating the alleged P10 billion fund sourced from the Priority Development Assistance Fund (PDAF) of certain lawmakers and reportedly used in anomalous projects by bogus non-government organizations. (PRIB Photo by Albert Calvelo/August 29, 2013)