Is Putin waging a new form of warfare, or a very old one?

Moscow has pursued one policy throughout the current crisis: escalation.

It is unclear if even Russia will recognize the results of the vote, which Kiev and most Western leaders have condemned.

A push to provide lethal aid to Ukrainian forces appears to be gaining traction in the White House.

He'll be contending with a stalled Minsk process, unclear direction from Washington, and a still-hot war with Russia in the east.

The Russian leader is reaching out to his foes with one hand, and striking them with the other.

How the West underestimated an ideology’s animating force

Rebel leaders in the eastern part of the country say they will stop military operations starting Wednesday at midnight.

The Ukrainian president isn’t the problem.

But there are no Churchills, either. And Ukraine will fight alone.