George Packer on the future of America, the language of patriotism and how Biden avoids culture wars

George Packer is a writer for The Atlantic and author of many books on American politics and foreign policy.   His new book 'Last Best Hope' is an essay on the crisis and revival of modern America.   George talks to Krishnan about the four distinct groups of people in American politics, his hopes and worries for the future of the US and the influence of social media on national dialogue. Producer: Rachel Evans