Joe Biden has been a public figure for decades but he's far from an open book. For a man who has been in national politics since the age of 29, it's remarkable how much he has been willing to change. On GZERO World, Biden biographer and New Yorker staff writer Evan Osnos provides a deep dive into the life, legacy and potential presidency of the next leader of the free world.
Has the intergovernmental military alliance of NATO—which was founded to counter the Soviet threat to the West—done enough to keep up with today's landscape of global threats? Secretary General Jens Stoltenberg joins Ian Bremmer on GZERO World to make the case for a modern, 21st century NATO.