Confronting Another Axis? History, Humility, and Wishful Thinking . A long historical essay by Philip Zelikow, describing the perspectives of past and present US adversaries. "Zelikow warns that the United States faces an exceptionally volatile time in global politics and that the period of maximum danger might be in the next one to three years. Adversaries can miscalculate and recalculate, and it can be difficult to fully understand internal divisions within an adversary's government, how rival states draw their own lessons from different interpretations of history, and how they might quickly react to a new event that appears to shift power dynamics." Via Noah Smith.

The beauty of concrete. "Why are buildings today drab and simple, while buildings of the past were ornate and elaborately ornamented? The answer is not the cost of labor." A long article by Samuel Hughes describing the history of how ornamentation is produced.