Under pressure from the White House and governments around the globe‚ major technology companies pledged Friday to crack down on artificial intelligence-generated deepfakes that could undermine the integrity of major democratic elections in the U.S. and overseas this year. Google‚ Meta‚ TikTok and other companies said they would join forces to create tools to detect and debunk election deepfakes. They unveiled the accord as political and security leaders gathered at the Munich Security...