LONDON – Britain's King Charles will host the leaders of major artificial intelligence ?companies this week to discuss ?whether a shared set of principles is needed to guide ?a technology that has sparked growing warnings about its threat to humanity.With the biggest names in AI calling for a slowdown in its development, Charles will host executives from Nvidia, ?Google DeepMind, OpenAI, ?Anthropic, and ?the UK minister for AI, to discuss how the technology can be harnessed to benefit society and uphold human dignity.The debate about AI was thrust back into the spotlight when ?two Anthropic researchers issued warnings that the…