WASHINGTON, DC - SEPTEMBER 30: Model Evaluation and Threat Research (METR) President Chris Painter speaks during a Senate Homeland Security Subcommittee hearing in Dirksen Senate Office Building on September 30, 2026 in Washington, DC. AI experts and former industry members spoke in front of the Senate Homeland Security Subcommittee as some have called for a slowdown in AI development amid rising safety concerns. (Photo by Finn Gomez/Getty Images)