In an interview, the Ukrainian president makes a pragmatic case for continued American support.

The Ukrainians will win if they keep getting better weapons.

Strategic prudence argues in favor of pocketing successes rather than pressing the fight and running the tantamount risks.

Biden stands with America’s allies. Trump doesn’t.

The Russian leader gave the Egyptian president an assault rifle as part of a global tour to show that he's not so isolated after all.

We’re the strong ones in this conflict, and we deter more effectively when we act with confidence on that knowledge.

Ordinary people, when seduced by violent ideologies, can be extraordinarily brutal.

Drone attacks in Moscow, incursions over the border—Russians are starting to wonder whether Putin really does have, as he promised, “everything under control.”

Putin’s hollow rhetoric warrants no concessions from the West.

As the country's currency weakens, so do its armed forces.