A large investment firm and a Canadian uranium mining and enrichment company made a big bet three years ago on nuclear power by acquiring Westinghouse, an energy company that had fallen on hard times. Now, that wager is proving prescient. Soaring demand for electricity, driven by data centers, and renewed bipartisan and global interest in nuclear power have made Westinghouse a go-to source for nuclear power technology. The prominence of Westinghouse in the development of new nuclear power plants gained international attention Wednesday after the Trump administration announced a broad…