Monday assorted links by Tyler Cowen May 14, 2018 at 9:50 am in 1. Why read old philosophy? 2. Chinese rapper Kris Wu signs with famous rap label. 3. A number of commentators pick the most important economics books. 4. Biblioburro. 5. Toward a theory of Trump administration leaks. 6. The new Ethiopian train line to the coast. 7. Earlier MR posts on sports gambling, note SCOTUS just ruled states can legalize it.