A government handout photograph shows US President Barack Obama (L) toasts with Thai Prime Minister Yingluck Shinawatra (C) next to Secretary of State Hillary Clinton (R) during a gala dinner at Government House in Bangkok, Thailand, 18 November 2012. Obama is visit Thailand to mark 180 years of diplomatic relations between the two countries as part of his South-East Asia trip include stops in Cambodia and Myanmar. The two leaders were expected to announce Thailand's intention to joining the US-led Trans-Pacific Partnership (TPP). [Photo: CFP]