The coronavirus pandemic is causing immense economic damage. The number of Americans filing for unemployment benefits has surged as businesses nationwide close down and are forced to lay off workers. Has the country ever experienced anything like this? Paul Solman talks to Harvard University economist Ken Rogoff, whose book "This Time is Different" examines the history of financial crises. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders