Assorted links by Tyler Cowen October 22, 2012 at 12:12 pm 1. In defense of Yoko Ono. And Edward Hugh’s excellent update on whether the euro will survive. 2. David Warsh on Shapley. 3. Must dollar bills be stacked face up? 4. Are fruits and vegetables really really good for you? 5. Good reviews of the new Haitian art show in Nottingham. 6. John Cochrane on health care (pdf).