Wednesday assorted links by Tyler Cowen July 9, 2025 at 12:48 pm 1. Speculations from Richard Ngo. 2. Highly speculative claims about mouse injections. 3. New AI training for teachers? (NYT) 4. Kevin Hassett in the running for Fed chair? 5. Derek Thompson on the death of partying. 6. What is liberalism? 7. Progress vs. Parkinson’s?