A scholar raised by leftist San Francisco parents in the 1970s ends up teaching in the heartland, where her students represent a very different kind of politics. What she learns from them is profound.
The Ogalalla Aquifer is a vast underground lake that irrigates farms across the US Great Plains. It took thousands of years to fill, but human use could drain it in roughly a century.
There's a good reason China took aim at US soybean exports when it announced its latest list of retaliatory tariffs.