A Climate Change Litmus Test For Democrats

In April 2016, at a campaign stop on the campus of SUNY Purchase, just north of New York City, I filmed a short video of Hillary Clinton.The video quickly went viral, partly because of the outsized response from a famously tight-lipped politician, partly because it played so well into the Democratic primary narrative that pitted Clinton, buddy-buddy with Wall Street, against the people-powered challenge of Sen. Bernie Sanders.The furor that the video generated sprang from fissures in the Democra