Ian Bremmer shares his insights on global politics this week on the major escalation this week over the big issue everyone is worried about: Russia and Ukraine.

Hi everybody. Ian Bremmer here. And I'm on the ground in Munich where the sun is popping through. I wish I could say that that had some symbolism. It does not appear this way. It is the first major security confab to come together post-pandemic or in pandemic. And there's still all sorts of vigorous rules and regulations on how few people can come and everyone wearing masks and social distancing. But the major leaders are all arriving, and they're arriving at a time of extreme geopolitical concern.