A new poll of 945 CIOs and CTOs points to aging infrastructure, bubble fears, and government uncertainty as brakes on corporate AI. Legacy systems and old applications are forcing large companies to abandon AI projects at a striking rate, according to a new survey from GFT Technologies, a firm that specializes in infrastructure modernization. Eighty-four percent of chief information and technology officers said limits in their older systems have forced them to cancel at least one AI pilot or…