Abu Mazan threatens to resign

London-based A Sharq al Awsat reported this morning that 'moderate Palestinian President' Mahmoud Abbas Abu Mazen has threatened to resign. Abu Mazen made the threat during a phone call with Secretary of State Condoleezza Rice, who requested that he use his authority to help free kidnapped IDF Corporal Gilad Shalit. Abu Mazen responded that he no longer has any authority.Abu Mazen, who has spent