When Cities Go Global

Cities are stepping up to address the world's thorniest challenges, from climate change to migration. Ian Bremmer sits down with three mayors from across the globe to talk about how their cities are taking on the world's most pressing problems. And on Puppet Regime, as Theresa May prepares to leave 10 Downing Street some old friends come by to see her off.

GZERO World with Ian Bremmer: watch now

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How to solve Colombia's cocaine problem

GZERO World Clips
Live from the UN General Assembly: Rescuing a World in Crisis | Global Stage

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