A Nobel-winning economist's case for more COVID-19 testing

As millions more Americans file for unemployment amid an economy crippled by COVID-19, many states are lifting restrictions and reopening businesses. But is that the correct approach to reviving the U.S. economy? Paul Solman talks to Nobel Prize-winning economist Paul Romer about weighing costs and benefits and why “there are no good alternatives” to making COVID-19 testing ubiquitous in the U.S.