Russia-Ukraine

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Vladimir Putin shakes hands with Kirill Dmitriev during a meeting with Steve Witkoff (left foreground)

Ukraine’s Zelenskyy Has Options in Response to Latest U.S.-Russian ‘Peace Plan’

The plan is a mess, but Ukrainians are right to try to work with the draft rather than reject it out of hand.
U.S. President Clinton, Russian President Yeltsin, and Ukrainian President Kravchuk engage in a three-way handshake against a backdrop of a richly decorated room with fringed drapes and a chandelier-like wall sconce in the background.

Ukraine’s Ironclad Security Is Inseparable from Peace

After abandoning nuclear arms for the Budapest Memorandum, Ukraine faces existential war -- proof that security “assurances” alone won't be enough now.
An infantry recruit of the 28th Seperate Mechanized Brigade runs from a simulated drone attack during a basic training course at an undislosed location in eastern Ukraine on October 11, 2025. (Photo by ED JONES/AFP via Getty Images)

Drones are Changing How Wars Harm Civilians

Drones are rapidly changing war. Without urgent, collective action, their use will lead to greater civilian harm in conflicts.
Belarusian President Alexander Lukashenko (L) shakes hands with Russian President Vladimir Putin (R) during the Great Heritage - Common Future Forum, a Russian-Belarusian meeting, dedicated to the anniversary of the Battle of Stalingrad on April 29, 2025 in Volgograd, Russia. Vladimir Putin and Alexander Lukashenko are having a joint visit to Volgograd, former Stalingrad, marking the 80th anniversary of the end of World War II. (Photo by Contributor/Getty Images)

Memorandum for Prosecution of the Crime of Aggression Committed Against Ukraine

James Goldston and Esti Tambay present their organization's work, a Memorandum supporting efforts to hold officials accountable for the crime of aggression against Ukraine.
U.S. President Donald Trump (R) speaks with Ukrainian President Volodymyr Zelensky (L)

Roosevelt’s Weak Hand and Trump’s Strong One in Eastern and Central Europe: Will Trump Play His Good Cards?

While President Trump hasn't fully sided with Putin, he hasn't used his favorable strategic position as history shows he could to end Russia's war on Ukraine.
View of an oil terminal

The Imperative to Weaken the Kremlin’s War Economy: What the West Can Do

The West must cut off Russia's energy revenues, target its enablers, and enforce sanctions with vigor to constrain its war economy.
A NATO AWACS Tactical Director assesses the air and surface situation aboard an AWACS (Airborne Warning and Control System) NATO air surveillance aircraft during a flight over Polish airspace as part of the alliance's new Eastern Sentry mission on September 19, 2025. NATO said on September 19, 2025, it had scrambled aircraft to intercept Russian jets violating Estonian airspace, calling it proof of Moscow's "reckless" behaviour and the alliance's readiness to counter it. (Photo by JOHN THYS / AFP) (Photo by JOHN THYS/AFP via Getty Images)

Legally Available Options in Response to Russia’s Penetrations of NATO Airspace

"International law, in its wisdom, makes such options legally available."
Ukraine's President Volodymyr Zelenskyy (L), Britain's Prime Minister Keir Starmer (C) and France's President Emmanuel Macron (R)

The Fantasy of a European Reassurance Force for Ukraine

A European "reassurance force" for Ukraine risks being another notional "guarantee" offering little more than a false sense of security.
The Ukrainian and Taiwanese flags

A Security Guarantee for Ukraine? Look to the Taiwan Relations Act

The United States and its allies can use the Taiwan model to make post-war Ukraine more secure without writing checks they cannot cash.
U.S. President Donald Trump sits at a table with Ukrainian President Volodymyr Zelensky, European Commission President Ursula von der Leyen, NATO Secretary-General Mark Rutte, and other European leaders

Trump, Zelenskyy, European Leaders in White House Meeting: Progress Toward a Deal?

Getting to any deal between Ukraine & Russia will require the United States & Europe to stand by Ukrainians & stare down Russia's demands.
Local residents carry their belongings out of a heavily damaged residential building following a Russian strike in the town of Bilozerske, Donetsk region on August 12, 2025, amid the Russian invasion of Ukraine. The advances come just days before U.S. President Donald Trump is due to meet his Russian counterpart Vladimir Putin in Alaska for talks on the war, the first meeting between a sitting US and Russian leader since 2021. (Photo by GENYA SAVILOV/AFP via Getty Images)

In Trump’s Planned Meeting With Putin, Beware of Traps, Play the Right Cards

President Trump must avoid Putin’s traps, ramp up the pressure on Russia, and make clear that the United States will back Ukraine’s security.
The Just Security Podcast

The Just Security Podcast: Ukraine’s Resistance to Russia’s Invasion — The Other Mobilization

As millions of Ukrainians face the devastation of their communities, volunteers—especially women—have stepped up to support the nation’s survival. 
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