Justice Thomas warns progressivism is existential threat to founding principles in rare public remarks Speaking at UT Austin to mark the 250th anniversary of the Declaration of Independence, Thomas urged young people to have courage and reject growing 'cynicism' and hostility in the US. (Credit: C-SPAN) NEW You can now listen to Fox News articles! Supreme Court Justice Clarence Thomas issued a blistering critique of modern-day progressivism in a rare public speech on Wednesday, describing the