From the rise and fall of the Roman Empire to the blink-of-an-eye tenure of British PM Liz Truss, political power is fleeting.
Just look at Vladimir Putin and Volodymyr Zelensky.

Putin, who started 2022 as one of the most powerful leaders in the world, in many ways has now become a global pariah. Zelensky, a former comedian few trusted with a crisis, is now TIME Magazine's Person of the Year.

On GZERO World, Ian Bremmer looks back at 2022 and forward to 2023 with frequent guests of the show: New America CEO Anne-Marie Slaughter and The Atlantic staff writer Tom Nichols.