On questions of war and peace, governments must hear from many types of experts.

Pictures of life in wartime

But after decades of decay, will it happen quickly enough to save Ukraine?

He treated the conflict as a crisis to be managed, not a war to be won.

The president’s visit to Ukraine was a gut punch to the Russian leader.

Putin should pay for the damage his invasion has caused, and the money is needed immediately.

Images from recent months, showing a region reshaped by two years of war

Making strategy by dubious analogy is a bad idea.

Last year, the nation’s military prowess impressed the world. But reclaiming territory presents new challenges.

Ukraine wants long-range missiles in order to regain Crimea and end the war. Why won’t Washington supply them?