On September 1, former Ukrainian defence minister Mykhailo Fedorov announced that Alex Karp, CEO of artificial intelligence and data analytics firm Palantir Technologies, would become the lead investor in a new defence technology company he is building. This confirmed what Fedorov had only gestured at two days earlier in an interview with the Financial Times: that what he was selling investors was never really drones. In that interview, he also suggested he was ready to trade drone-warfare...