Nippon Steel Vice Chairman Takahiro Mori is headed to Washington next week as the company seeks to win approval of its $15 billion bid for U.S. Steel, a person familiar with the matter said. Semaphor, which first reported news of the visit, said Mori would meet with Trump administration officials during the trip,citing sources. U.S. Steel and Nippon Steel did not immediately respond to requests for comment. Former President Joe Biden blocked the proposed tie-up in January citing unspecified