Every now and then, someone among us takes a look around and wonders: what happened to optimism? Why has it vanished? Just a few days ago, a renowned New York Times columnist (and 2008 Nobel Prize winner in Economics) - Paul Krugman - was the latest to ask this question.
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us? Last night, I received a newsletter on climate change. It argued that now is the time for urgent optimism, a modernized version of rational optimism.