On Monday, Slate ran a three-part book review by Bill Emmott and Fareed Zakaria in which they discuss Ian Bremmer's new book The J-Curve, which purports to explain the difficulties of political transitions. Now I have not read the book, but this discription of Bremmer's thesis struck me:Bremmer's argument is that history shows that the most stable countries are often also the most closed: North Korea, Cuba, China under Mao, Soviet Russia. But...