In more than 30 climate cases making their way through U.S. courts today, oil companies are using an argument they've been laying the legal groundwork for since the 1970s: that since everything they've ever said about climate change was in the interest of shaping policy or blocking regulation, it's protected speech, even if it was misleading. In this episode we take a look at how those cases are playing out and the likelihood that this new take on "corporate free speech" could make it all the way to the Supreme Court.
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