Divided States: Trump's shadow and Biden's leadership in 2021

After a torrid 2020, businesses and the rest of us are hoping for a brighter 2021. The risk consultancy Eurasia Group has published its list of the top 10 risks facing the world this year – all of which could wreak havoc on the global economy. At the top of list is not the pandemic but the US. Will the new president steer a recovery in spite of the divisions in American politics and society? Stephen Carroll talks to Ian Bremmer, the president of Eurasia Group and GZERO Media in New York.