Commentary and Analysis

David Scheffer advises on how to collect evidence of Russia's actions in Ukraine with Michel Martin and Chrisitane Amanpour.

“While sanctions make it harder for Russia to pay for the war, military assistance helps raise the cost of continuing it,” writes Elizabeth Shackelford in the Chicago Tribune.

Jamil Anderlini, Stefan Kornelius, and Nahal Toosi join Ivo Daalder to discuss the week's top news stories.

A no-fly zone is "a first step along an escalatory ladder," argues Council President Ivo Daalder on NPR's All Things Considered.

Europeans may draw the line at military engagement with Russia, recent data show.

"As long as Russians are able to export oil, especially to China, that's going to keep them financially afloat," Paul Poast explains on WGN.

As the Russian invasion of Ukraine continues, new public opinion data shows that the conflict likely came as a surprise to many on both sides.

"The international community is facing the most transformational development in Europe since the Second World War," writes Robert Muggah with Rafal Rohozinski.

Is NATO military involvement in Ukraine inevitable? Senior Fellow Elizabeth Shackelford discusses with Fox 32 Chicago.

Which of history's lessons apply best, and how can the West contain Russia's aggression? Council President Ivo Daalder weighs in with BBC Radio 4.