Microsoft wants to grow its presence in the European Union, but the bloc worries that trade tensions with the U.S. could cause trouble down the line. WSJ reporter Edith Hancock reports from Brussels. Plus: Strain at Microsoft doesn’t end with geopolitics. A rift has been growing between its boss, Satya Nadella, and OpenAI CEO Sam Altman. WSJ reporter Keach Hagey has the inside scoop about what’s gone wrong.

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