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: Anticipation mounts over outside military action in Syria; the G20 summit begins in St. Petersburg; and President Obama visits Sweden.

A preview of world events in the coming week from CFR.org: Diplomacy intensifies over chemical weapons in Syria; the 20th anniversary of the Oslo Accords is observed; and economies take stock five ye…

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.

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.