Gabriel sherman-thumb-250x371-9216History may record Republican operative and Fox News Channel head Roger Ailes as being every bit as darkly effective as Charles and David Koch in terms of twisting the American political system in order to block needed action on human-caused climate change. Gabriel Sherman, author of "The Loudest Voice in the Room,"  discusses the legacy of the man who dispensed the dialogue of denial to millions of TV and radio listeners. And all in the name of "entertainment" , environment be damned (says Betsy!).