JUSUF Kalla was on edge. Time and again he turned his head to the entrance of the Muhammadiyah headquarters in Jalan Menteng Raya, Central Jakarta. Last Friday evening, Kalla as one of the guests attending a commemorative event of Indonesia's independence day was apparently looking forward to meet two other invitees. As the evening dragged on into the night, there was no sign of the Chairman of the National Mandate Party (PAN), Amien Rais, and