Waltz's team set up at least 20 Signal group chats for crises across the world

https://www.politico.com/news/2025/04/02/waltzs-team-set-up-at-least-20-signal-group-chats-for-crises-across-the-world-00266845

#HackerNews #WaltzSignalGroupChats #GlobalCrisis #CommunicationTech #CrisisManagement #TeamCollaboration