Assorted links

1. Update on the Medicaid wars: Medicaid spending is slowing, and more here, much of it is from falling reimbursement rates.

2. Upgrading the lowly button.

3. Krugman’s Asimov introduction (pdf).

4. What moderation means, by David Brooks.

5. Thai face-slapping markets in everything.

6. Chris Dillow on the deserving vs. undeserving poor.