Anthropic sued the Defense Department and other federal agencies on Monday over the Trump administration's move to designate it a supply chain risk and eliminate its use across the government, the latest chapter in a bitter dispute over the firm's powerful artificial intelligence model. In a 48-page lawsuit filed in the U.S. District Court for the Northern District of California, Anthropic said efforts by the Pentagon and President Trump to punish the company were "unprecedented and unlawful." ... The dispute stems from guardrails that Anthropic sought to impose on the military's use of Claude, the only AI model authorized for...