Plus: What the U.S. has at stake in the war in Ukraine

Russia and Ukraine have reached an agreement that will keep natural gas supplies flowing until March of next year.

The war in Ukraine is reaching a crucial moment. Will it recapture the world’s flagging attention?

Coverage of the president’s pressure on Ukraine suggests the media learned nothing from 2016.

The sham referendum in Ukraine was for domestic consumption.

The crisis in Ukraine has countries formerly in Russia's orbit fearing Putin's next moves.

We’re still looking at a range of possibilities, including de-escalation and a great-power conflict.

Chaos creates countless opportunities for mistakes.

Whether we wish it or not, we are again in the world of war.