Rubio's missive follows the Trump administration's June 12 move to block foreign nationals from Anthropic's most advanced models, Mythos and Fable, on national security grounds, prompting the AI company to abruptly suspend access to the models globally. Asian tech executives seized on the disruption to tout their own alternatives and European lawmakers redoubled their calls for digital independence from the United States.

America’s attempt to calm fears of an AI kill switch may be giving foreign governments another reason to build one of their own.

WASHINGTON, July 22 : U.S. Secretary of State Marco Rubio has asked diplomats to push back against talk of a "kill switch" in American technology products following the White…