U.S. President George W Bush (R) signs the visitor book as Australian Governor-General Michael Jeffery (2nd L) and his wife Marlena watch at Admiralty House in Sydney September 5, 2007. Bush joined Australian Prime Minister John Howard and his wife Janette for dinner at Kirrabili House following today's meeting at the Asia-Pacific Economic Cooperation (APEC) summit. REUTERS/Sergio Dionisio/Pool (AUSTRALIA)