Elon Musk, Mark Zuckerberg, Bill Gates and other tech leaders in closed Senate session about AI

Tech CEOs descended on Capitol Hill Wednesday to speak with senators about artificial intelligence as lawmakers consider how to craft guardrails for the powerful technology. It was a meeting that "may go down in history as being very important for the future of civilization," billionaire tech executive Elon Musk told CNBC's Eamon Javers and other reporters as he left the meeting. Senate Majority Leader Chuck Schumer, D-N.Y., hosted the panel of tech executives, labor and civil rights leaders as part of the Senate's inaugural "AI Insight Forum." Sens. Mike Rounds,...