BANGKOK – U.S. officials pressed Beijing on market access issues for Mastercard Inc and Citigroup Inc during at least two bilateral meetings with Chinese counterparts in Bangkok this week, according to a U.S. Treasury official. The Treasury delegation, led by Deputy Secretary Francis Brooke, held bilateral meetings with officials from the People's Bank of China and the finance ministry on the sidelines of the Group of 20 finance meetings and the IMF-World Bank annual gathering this week, the official said, ...