As detailed in the articles throughout this issue, the U.S. education system experienced a number of structural developments throughout the 20th century. These changes served to shift the landscape of decision-making authority in multiple areas of primary and secondary schooling. This article provides an international perspective on the changes…

There is a crucial debate concerning the nature of chess chunks: One current possibility states that chunks are built by encoding particular combinations of pieces-on-squares (POSs), and that chunks are formed mostly by "close" pieces (in a "Euclidean" sense). A complementary hypothesis is that chunks are encoded by abstract,…