How the West answers this question will determine its relations not just with Russia, but with China as well.

Vladimir Putin’s increasingly reckless interventions in Ukraine should force the West to reevaluate everything it thought it knew about the collapse of the Soviet Union and the past two decades of Western policy on Russia.

Ukraine, Russia, and the West all have their own reasons for not calling the ongoing conflict a war, just as they all have different views of what would constitute an acceptable peace.

Does liberal democracy depend on the existence of ideological and civilizational rivals to spur it into cycles of reinvention and renewal?

The President’s recent remarks at West Point show that he doesn’t understand the rules of the game he’s playing with Vladimir Putin in Ukraine.

The results of Sunday’s elections in Ukraine show that “Finlandization” is not an option. Ukrainians have decisively chosen to turn toward Europe.

Putin looks like he will continue to ride the tide he has set into motion for the time being. But amidst his tactical successes we can already see the signs of a looming strategic defeat.

What to make of Putin’s call for the pro-Russian separatists in Ukraine to postpone their referendum? Nothing, except perhaps that it represents a shift in tactics.

Even as the crisis in Ukraine spins further out of control, polls on the ground ought to give Vladimir Putin some pause if he is considering putting Russian boots on the ground.

In March, Vladimir Putin was the “Terminator.” This month, he’s Mr. Congeniality. What’s behind the sudden shift in rhetoric?