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What happens if Russia nukes Ukraine?

What Happens If Russia Nukes Ukraine? | The Risks & Consequences | GZERO World

How should the US respond if Russia uses a tactical nuclear weapon in Ukraine?
Unlike strategic ones, tactical nukes are not subject by signed treaties, so all bets are off, New York Times national security correspondent David Sanger tells Ian Bremmer on GZERO World. Independent agencies don't inspect them so we don't know very much about their size, range, effects, or pre-launch prep.
As for the 'Mutually Assured Destruction' dynamic that held nuclear war at bay for 60 years, including during the Cuban Missile Crisis? Sanger says the dynamics now are "completely different."
Since Ukraine is not a member of NATO, it's not clear if a Russian nuclear attack there would trigger a major US response.
Europe can no longer rely on the US and must step up to defend its own future, Ian Bremmer reports from the Munich Security Conference.
The Supreme Court has struck down President Trump’s use of the national emergency clause to impose sweeping tariffs around the world. In this Quick Take, Ian Bremmer explains why this ruling was predictable and why it’s a major setback for Trump’s trade strategy.
“For India, AI stands for all inclusive,” reads the billboard outside this week’s AI Impact Summit in New Delhi organized by the Indian government, the first major gathering on the subject in the Global South.