Assorted links by Tyler Cowen April 21, 2010 at 6:58 am in Web/Tech 1. Arnold Kling on how to solve the Medicare problem. 2. Reihan Salam comments on Canada as does Ross Douthat. 3. Ed Glaeser on Zipf's Law. 4. How Vishny Anand reached Sofia from Frankfurt. 5. Largest explosion ever recorded. 6. The economics of on-line dating. 7. How to stack the cards in a broccoli vs. chocolate study.