CNN  —  An AI robot’s painting of British computer scientist and codebreaker Alan Turing has sold for $1.08 million, becoming the most valuable artwork by a humanoid robot ever to change hands at auction and raising new questions about the role of artificial intelligence in art. The sale price far exceeded the pre-auction estimate of $120,000-$180,000, with the work attracting 27 bids before going to an undisclosed buyer, according to Sotheby’s, which handled the sale in New York. The paintings