A bunker. A group of former senior ministers, military chiefs and other experts. Russia knows our weaknesses – do you? Sky News' security and defence editor Deborah Haynes presents The Wargame. From Sky News and Tortoise, it imagines how a Russian attack on the UK could play out... and how military chiefs and politicians might try to defend the country.

OpenAI’s Sam Altman self-publishes chat GPT’s water and energy consumption for the first time, but how can tech companies continue to expand in a more sustainable way? How will RFK Jr’s appointment of known anti-vaxers to the CDC panel shape vaccination policy in the US? And are generational labels a problematic myth? Following Israeli strikes on Iran, The Observer’s Chloe Hadjimatheou and Jess Winch discuss the latest developments in the Middle East. Then, Jess Winch is joined by award winning journalist and best selling author of Empire of AI Karen Hao; plus, The Observer’s Alexi Mostrous and James Tapper, as they battle to pitch the top story of the day.

What’s behind the president’s decision to deploy the National Guard in response to protests over immigration raids? Is Greta Thunberg’s journey aboard the detained Madleen flotilla the most effective way to highlight the plight of Gazans? And how should we tackle the soaring water use of AI? Giles Whittell is joined by The Observer’s Katie Gunning, Jon Ungoed-thomas and Serena Cesareo, as they battle to pitch the top story of the day.