PARIS, June 17 : Publicis chairman Maurice Lévy on Wednesday called on France and Germany to lead a pan-European artificial intelligence fund, saying the bloc's companies were too exposed to U.S. providers that could cut access to advanced AI models without warning. Speaking at VivaTech in Paris, Lévy said Europe needed a 100 billion euro ($115 billion) fund to back artificial intelligence across the continent, describing it as a response to what he said was the shock of seeing European