Welcome to the HBR Executive Agenda for Oct. 22, 2026. In This Issue: Visions of Geopolitical Stability How to Prepare for AI-Powered Cyber Threats HBR’s Innovation Summit Visions of Geopolitical Stability Business leaders have to cope with the fallout from a flood of external events: wars, elections, trade friction, technological disruption. But there’s a danger of overreacting to each and every disquieting development.