Joe Biden’s “humbled” foreign policy outlook

"He is a humbled man at this point in his life…and he comes to [the presidency] at a moment when the United States should frankly be humbled, too." Few presidents have entered office with as much foreign policy experience as Joe Biden.But that doesn't mean his outlook on everything from China to Russia to America's role in the world hasn't changed dramatically, even in the last four years. Biden biographer Evan Osnos explains.

His conversation with Ian Bremmer was part of the latest episode of GZERO World, which begins airing nationally in the US on public television Friday, November 20th. Check local listings.