Silicon Valley’s bid to dominate artificial intelligence politics has devolved into a fight with itself. With one week until the midterm election, political groups favoring faster AI development and lighter, more uniform rules have spent roughly $8 million in general-election congressional races, besting groups pushing for stronger safeguards and more room for states to regulate that have spent about $6.9 million, according to a CNBC analysis of Federal Election Commission filings through Oct. 20. Find more details:

Silicon Valley has long dreamed of building a digital assistant capable enough to rid users of tedious personal tasks. Now the era of personal AI agents may at last have arrived