The controversy over the Pentagon’s use of Anthropic’s models has become a flashpoint in the national debate over military artificial intelligence, and sparked outrage from Washington to Silicon Valley. The Pentagon wanted to buy Anthropic’s AI models without any restrictions on their use; even as it scrapped its flagship safety rule, the company wouldn’t budge on two particular red lines. And so, just after a Friday evening deadline, the Secretary of War killed the company’s $200 million Pentag...