Security guarantees for Ukraine are emerging this week as a central component to any deal that might end the long war between Russia and Ukraine. When the war started in 2022, Ukraine had hoped to ...

So let's talk more about what a security guarantee for Ukraine could look like. We're going to ask John Bolton this. He served as national security adviser during the first Trump administration. He ...

How Russia's gradual gains in the face of fierce Ukrainian opposition have affected the front line in recent months.

It was a stunning show of unity as an entourage of European leaders backed Ukrainian President Volodymyr Zelenskyy on his trip to Washington on August 18, impressing upon US President Donald Trump the ...

President Trump has not committed to adding American forces to the mix in Ukraine. No one has detailed publicly what form defenses would take, but there are several options. By David E. Sanger ...

In the August 18 meeting between European leaders, Ukraine, and the United States, multiple officials stressed the importance of security guarantees for Ukraine that were Article V–like. These ...

The end of the Ukraine war will require solutions to three major issues: land swaps, security guarantees, and nuclear deterrence. The diplomatic summitry that took place in Washington, DC, over the ...

A Ukrainian soldier smoked a cigarette after being treated for combat injuries in Ukraine's Donbas region in July. (Manu Brabo for WSJ) The U.S. has signaled greater openness to U.S. security ...