Assorted links by Tyler Cowen June 20, 2011 at 2:09 pm in 1. Scenes from underground. 2. Twin studies, and whether chaos in the home hurts a child’s prospects (pdf). 3. Could Hitler have won World War II? 4. How quickly can you spot the irony here? A test. 5. Would drug legalization kill the cartels? 6. The Exultant Ark: how much fun do animals have?