US Treasury Secretary Scott Bessent expanded bond buybacks to $6 billion, disappointing traders and pushing yields to three-year highs, while his currency interventions helped boost the yen ahead of a potential Bank of Japan rate hike. The IMF appointed Sylvana Tinerero as chief economist after dropping a candidate who criticized Trump tariffs, raising concerns about political influence. Meanwhile, the AI boom is driving a "moonshot" resurgence in deep tech, with over $150 billion invested in high-risk sectors like space and energy. The episode also covers a London hotel securing a court or…