From Syria to Ukraine, a pesky and newly reinvigorated Vladimir Putin is testing the west. In this new geopolitical face-off, Poland has assumed key strategic importance and will no doubt play a hugely significant diplomatic and even military role.
How extreme will politics have to get before the Ukrainian establishment stands up to the far right? If the political mainstream doesn't act soon, Kiev's relationships with key diplomatic partners and even Poland could be severely tarnished.
The European Theater, in turn, was divided into three broad fronts: The Western front in France and Belgium, the Italian Front in northeastern Italy and the Eastern Front. The Italian front was a secondary theater in Europe.
As many around the world said to Americans in September 2001, we say to the men and women throughout Paris, France and Europe today: You are not alone. Our unity will ultimately triumph, and our cause will ultimately prevail.
People in Poland are eating apples these days. Lots of apples. Here in Warsaw, they're pressed into your hands at a street festival, or baked into piles of pies and cakes. You see them everywhere. It's an act of defiance.
Last year, the Centre presented an exhibition about Ukrainian art, this year, new art from Romania is the focus of an extensive group show that is titled A Few Grams of Red, Yellow, Blue and features artists such as Mircea Cantor and Victor Man.
Now should be the time when Secretary of State John Kerry and President Barack Obama aggressively propose confidence-building measures, not mete out more military muster. This will get us nowhere fast.
If global agreement on addressing climate change cannot be achieved, how can we possibly expect any global consensus on "technomanagement" of the atmosphere where the risks of serious negative consequences are so grave?
There is already ample evidence that humanity isn't acting quickly enough to address climate change. The need for greater action in 2015 is obvious. And there are plenty of reasons to believe that countries can get their act together by then.
The 195 governments represented in Warsaw appear to be wearing their own ideological blinders, placing the planet and future generations in very real peril. National self-interest, it seems, outweighs global necessity.
In what should be another colossal embarrassment for the United States -- recently leaked internal documents show how little our government is prepared to take responsibility for the damage done by climate change.