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,...

Worried that all their work creating Mobil's personality and a multi-pronged issue advertising campaign to go with it would go to waste if the TV networks deemed it all "propaganda" Herb and his boss looked to the courts for protection. In this episode we follow the "corporate free speech"...