The United States and Japan have been considering the inclusion of a nuclear power project involving Westinghouse in the $550-billion package of investment that Japan has pledged in the U.S. under the bilateral trade deal, sources familiar with the plans told Reuters on Wednesday. Last year, as part of the U.S.-Japan trade agreement, Japan pledged to buy $8 billion worth of American products per year. The Government of Japan has also agreed to invest $550 billion in the United States, the White House said. At the time, U.S. Secretary…