World powers convene in The Hague for a nuclear summit; the Group of Seven discusses Ukraine; EU-U.S. trade talks resume in Brussels; and President Barack Obama travels to Italy and Saudi Arabia.

Tensions rise between security forces and protestors in Ukraine; South Korea and the United States hold military exercises; and the Sochi Olympics come to a close.

A preview of world events in the coming week from CFR.org: President Obama visits Africa; the U.S. expands sanctions on Iran; NATO's Secretary General goes to Georgia; and the U.N. reports on its Mil…

A preview of world events in the coming week from CFR.org: United States-North Korea talks are held in Geneva; the first post-Arab Spring election takes place in Tunisia; and United Nations Day is ma…

Thirty years ago, Rwanda’s government began a campaign to eradicate the country’s largest minority group. This Why It Matters episode discusses how in just one hundred days, 800,000 people in Rwanda were killed, while the rest of the world sat on the sidelines.

Many Americans are losing faith in the benefits of internationalism. On this episode of Why It Matters, experts discuss the important role state and local leaders play in global affairs.