PDAF HEARING: Senate President Franklin M. Drilon discusses matters with Blue Ribbon Committee chair Sen. Teofisto “TG” Guingona and Sen. Bam Aquino before the start of the hearing on the pork barrel scam. Janet Napoles, the alleged mastermind of the P10 billion Priority Development Assistance Fund (PDAF) scam, attended the hearing. (PRIB Photo by Joseph Vidal/7 November 2013)