Scott Pelley reports on the developments in artificial intelligence, and China's effort to dominate the AI field. John Green, the best-selling author of books like "The Fault in Our Stars," opens up to Jon Wertheim about exploring his fears through his writing. Lesley Stahl travels to Italy to meet Chef Massimo Bottura, whose kitchen creations are considered works of art. Those stories on tonight's "60 Minutes."
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