Mounting uncertainties surrounding Nvidia are threatening to disrupt Korea's semiconductor industry and its broader artificial intelligence (AI) road maps, as U.S. semiconductor restrictions are likely to be tightened and the future of its beleaguered CEO Jensen Huang is unclear. Following Huang's admission of an affair with a suspected Chinese spy, U.S. lawmakers have stepped up calls for tighter restrictions on China's access to U.S.-made AI chips. Senate Democratic Leader Chuck Schumer on Tuesday (local time) called on Congress to pass three acts tightening export controls on advanced AI chips. “This alarming situation makes clear that Congress must now act to pass critical bipartisan legislation like the AI Overwatch Act, the MATCH Act and Chip Security Act to cut off China's access to advanced American technology before it's too late," Schumer said during a Senate floor speech. The AI Overwatch Act is aimed at allowing Congress to block advanced AI chip exports to U.S. foreign adversaries. The Chip Security Act will require AI chips subject to export controls to have a “location