This is a clip of Senator Bernie Sanders's address at the Hay 2017 Festival in the UK. From 25:52 to 37:52. An articulate explanation of "Progressivism" in the new Democratic Party he is helping to build and shape in the United States of America in 2017. Our Revolution: A Future to Believe InThe US Senator's brand of populism has galvanised new generations to engage with politics. Chaired by Emily Maitlis.