The United States will replace its interim ambassador to Japan with its deputy representative to Taiwan, diplomatic sources said Thursday, apparently reflecting Washington's efforts to enhance bilateral cooperation to curtail Chinese pressure on the self-ruled island.Raymond Greene, deputy director of the American Institute in Taiwan, Washington's de facto embassy in lieu of formal diplomatic ties with Taipei, is expected to arrive in Japan as early as next month, the sources said. Joseph Young, currently serving as charge d'affaires ad interim at the U.S. Embassy in Tokyo, will leave offic…READ FULL ARTICLE