Illustration: Uli Knörzer for BloombergThe tech giant’s AI chief talks about superintelligence “red lines,” why AI will transform medicine and how he unwinds by chatting with Copilot. December 12, 2025 at 1:00 AM ESTThe AI race is entering an uncharted and expensive new phase. This has been the year of the mega-deal — billions poured into data centers, investments between the key companies, and a talent arms race for the best and brightest minds.One of those minds is Mustafa Suleyman, who for t...