Microsoft Corp. has named Mustafa Suleyman head of its consumer artificial intelligence business, hiring most of the staff from his Inflection AI startup as the software giant seeks to fend off Alphabet Inc.’s Google in the fiercely contested market for AI products.Suleyman, who co-founded Google’s DeepMind, will report to Chief Executive Officer Satya Nadella and oversee a range of projects, such as integrating an AI Copilot into Windows and adding conversational elements to the Bing search eng...