Assorted links by Tyler Cowen November 17, 2014 at 12:23 pm 1. David Warsh on the fourth Chicago School. 2. The Habsburg Empire was OK for trust. 3. Diverting water to northern China. 4. Worm brain installed in robot. 5. Toward an insider trading theory of foreign policy? (Putin hoards gold) 6. Diagnosing hundreds of diseases from a single drop of blood?