For American companies grousing about new cybersecurity rules, spyware firms eager to expand their global business, and hackers trying to break AI systems, Donald Trump’s second term as president will be a breath of fresh air.For nearly four years, president Joe Biden’s administration has tried to make powerful US tech firms and infrastructure operators more responsible for the nation’s cybersecurity posture, as well as restrict the spread of spyware, apply guardrails to AI, and combat online misinformation. But when Trump takes office in January, he will almost certainly eliminate or…