Assorted links by Tyler Cowen March 9, 2013 at 11:16 am 1. Is Washington D.C. the wealthiest area in the US? 2. Could a bookstore make you move to Canada? 3. Arnold Kling on budget cuts and austerity. 4. What does Pi have to do with gravity? 5. Deepak Lal criticizes technological pessimism. 6. Explainer on the nightmare bacteria, and Russians discover new bacteria under the ice in Antarctica.