​Economist Paul Krugman probably didn’t have the Erie Canal in mind today when he wrote about the rise of renewable energy, but he could have. ​This is Heather Cox Richardson’s Letters from an American for October 26, 2025.
​Economist Paul Krugman probably didn’t have the Erie Canal in mind today when he wrote about the rise of renewable energy, but he could have. ​This is Heather Cox Richardson’s Letters from an American for October 26, 2025.