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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, Ian Bremmer explains on GZERO World.
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.
It's also been a year of twists and turns for two other world leaders: Xi Jinping and Joe Biden.