MANILA – China’s government has just announced that Premier Wen Jiabao will be the main speaker at the 2009 Boao Forum for Asia, where the roster of leaders expected to participate is a virtual Who’s Who of the continent: President Asif Ali Zardari of Pakistan, President Nursultan Nazarbayev of Kazakhstan, President Faure Gnassingbe of Togo, Prime Minister S. Bayar of Mongolia, Prime Minister Thein Sein of Myanmar, Prime Minister Nguyen Tan Dung of Vietnam, Prime Minister John Key of New Zealand, and Kopsak Saphawasu, Deputy Prime Minister of Thailand.