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Joe Biden

President Joe Biden announces sanctions after Russia moves troops to Ukraine.

Biden announces new sanctions, moves troops to Baltics. Will Putin order Russian troops further into Ukraine?

By Matt Field | Analysis

An armored battalion heading south from soloti, Russia

In fiery speech, Putin recognizes Ukraine separatist regions; Russian troops ordered to Eastern Ukraine

By John Mecklin | Nuclear Risk

Texas Gov. Greg Abbott.

Texas v Biden: the coming legal clash over vaccine mandates?

By Matt Field | Uncategorized

Ready, aim, fired: Can Biden rescue the Nuclear Posture Review?

By Stephen I. Schwartz | Nuclear Weapons, Opinion

The new Woodward and Costa book shows why no president should have “sole authority” to start a nuclear war

By Jessica Sleight | Nuclear Risk

Biden gives a specch.

Pandemic world: Biden stops being polite and starts getting real with the unvaccinated

By Matt Field | Uncategorized

Intelligence community investigation unable to reach consensus on the origin of the COVID-19 pandemic

By John Mecklin | Analysis, Biosecurity

Wuhan Institute of Virology

Inconclusive: Biden’s COVID-19 origins review hasn’t found a smoking gun

By Matt Field | Disruptive Technologies

Chinese Ministry of Foreign Affairs spokesman Zhao LIjian.

After the lab-leak theory, US-Chinese relations head downhill

By Yanzhong Huang | Disruptive Technologies

The A1 Haiku: Leaning into the wind

By Thomas Gaulkin | Climate Change

President Biden delivers remarks to the virtual Munich Security Conference. Photo by Anna Moneymaker-Pool/Getty Images

Foreign commercial banks: The essential partner in future discussions of the Iran nuclear deal

By Christopher A. Bidwell | Nuclear Weapons

Biden speaks.

Biden should focus on science communication as his administration seeks to tame the pandemic

By Matt Field | Disruptive Technologies, Opinion