The Constitutional Court may have vacated Efraín Ríos Montt’s conviction, but the struggle for justice will continue. And nothing can annul the survivors’ testimony and courage.

It appears the Tsarnaev brothers were self-motivated. But their Salafist extremism was itself one outgrowth of the brutal Chechen wars of independence against Russia.

A historian’s view of why political demands, past and present, have weighed on Turkish debates about the Armenian genocide.

Nathan Englander’s play, The Twenty-Seventh Man, focuses on the moment that Yiddish culture in Russia died a sudden and unnatural death.

Did postwar population transfers complete a project of ethnic cleansing started by Hitler?

Can the two central images of Poland during World War II—a country of heroes and a country of collaborators—ever be combined?

Two decades ago, nearly one-sixth of the population was forcibly expelled. How did King Wangchuck escape any real censure?

The impact of climate change on developing countries has so far been devestating, and stands to get only worse.

Climate change is not just "bad weather." In fact, it fuels ethnic strife, religious violence and resource wars. 

Since the US government prosecuted Nazi war crimes, there have been no criminal prosecutions of genocide here in America—until now.