Buckle up, we're going interstellar. A visitor from another star and earth-like planets. Joining Ian Bremmer to sort all of this out is a very special guest: Avi Loeb. He's head of astronomy at Harvard and he's made a compelling case about an "alien probe." #Oumuamua #AlienLife More on that soon. And on Puppet Regime, Space Force sets off on its inaugural voyage.

GZERO World with Ian Bremmer: watch now

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

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