Assorted links by Tyler Cowen April 18, 2013 at 2:36 pm 1. Casnocha reviews Oliver Burkeman. 2. Kilts and scrotal temperature, or do real men wear kilts after all? 3. Kiarostami is stuck. 4. My 2010 post on the 90% debt/gdp tipping point issue. 5. Bryan Caplan on ZMP and morale. 6. Why it is easier than ever before to be a threshold earner.