In a stark warning on AI policy and national security, Commerce Secretary Howard Lutnick urged tighter controls on open-source AI models and called for American industry leaders to take the lead in securing the future of artificial intelligence. What Happened: During a conversation on the All-In Podcast with Chamath Palihapitiya and David Friedberg that was posted earlier this week, Lutnick addressed the growing concern around foreign influence in AI, particularly from China — and stressed the n