Joel E Lewis

Another sign of mainstream recognition of political polarization in the United States – From the Economist: The supermajority rule [60 votes in the Senate] would be no bad thing if it forced the majority party to reach out to the other side. The Democrats themselves have often been glad of it, for example to block [...]

The Straw That Breaks the Camels Back Incremental change can cause a collapse that is difficult to reverse. What is particularly intriguing is the way that the lakes change. They exhibit what is known as hysteresis. That means you can “drip feed” them with fertiliser without causing much visible change until, suddenly, the whole system [...]