Paramount's hostile Warner Bros. bid, Meta's AI course correction, McDonald's value crackdown and more in Morning Squawk

David Ellison, chairman and chief executive officer of Paramount Skydance Corp., center, outside the New York Stock Exchange (NYSE) in New York, US, on Monday, Dec. 8, 2025.Michael Nagle | Bloomberg | Getty ImagesThis is CNBC's Morning Squawk newsletter. Subscribe here to receive future editions in your inbox.Here are five key things investors need to know to start the trading day:1. One battle after another2. DC's AI movesNvidia H200 chips in an eight-GPU Nvidia HGX system.NvidiaTrump announced yesterday t ...