Stay informed with free updatesSimply sign up to the Artificial intelligence myFT Digest -- delivered directly to your inbox.Google has told its employees it “proudly” works with US military and will continue to do so, as the tech giant faces down opposition from hundreds of staff over a deal for its AI to be used in classified operations.Kent Walker, Alphabet’s president of global affairs, said in a memo to staff on Tuesday: “We have proudly worked with defence departments since Google’s earlie...