Assorted links

1. Soda taxes don’t seem to work.

2. Can a health care company actually satisfy the customer?

3. How hard is it to become really good at table tennis?  And the common law origins of the infield fly rule.

4. Summers responds to Bernanke.  And Robert Moses responds to Robert Caro.  And Bernanke on the global savings glut.

5. John von Neumann documentary.

6. The original markets in everything.