Asia-Pacific leaders are meeting in Japan today for talks on liberalising trade in the region following the G-20 summit in Seoul. At the Summit, the United States had failed to secure a free trade agreement with South Korea and could not get China to allow its currency to appreciate.Trade imbalances and currency strains are also expected to top the discussions at the Asia Pacific Economic Cooperation (APEC) Summit in the port city of Yokohama. US President Barack Obama is expected to push for a regional free trade agreement that would cut import tariffs for nine countries.