The American economy is little more than a big bet on AI. Morgan Stanley investor Ruchir Sharma recently noted that money poured into AI investments now accounts for about 40% of the United States’ GDP growth in 2025, and AI companies are responsible for 80% of growth in American stocks. So how bad is it that the most recent major deal among AI giants, agreements that have driven up stock prices dramatically, look like a snake eating its own tail? In recent months, Nvidia announced that it would...