Since the end of the Second World War, the US has been the 800-pound gorilla of the world economy – the largest in monetary terms, the largest producer, the largest innovator, the largest financial market. That dominance has been challenged in the last couple of decades, with the rise of China to become the world’s second-largest economy, the expansion of Taiwan’s semiconductor chip industry to global leadership, the ingenuity of South Korean tech firms – especially in AI, and the expansion of I