The world has changed significantly since the fall of the Berlin Wall. 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. He'll discuss how the alliance is adapting to a variety of threats and challenges ranging from the rising influence of China to cyber warfare to the coronavirus pandemic.