AI News Briefing — June 21: Nobel Laureate Jumper Joins Anthropic, Signal Calls Copilot a "Backdoor," Defense Budgets Traced to Listed Firms
A day when the people, the trust, and the money behind AI all moved at once. A top researcher's move, a warning against trusting chatbots, and an analysis linking policy budgets to corporate earnings each measured AI's distance from society from a different angle.