The IMF and European leaders have gotten serious about Greece’s debt, says CFR’s Charles Kupchan. But the crisis also raises concerns about the eurozone’s unity.

James M. Lindsay, an expert on U.S. foreign policy, and a former director of studies at the Council on Foreign Relations, discusses the first presidential debate between Senator John McCain and Senat…

Iran’s fueling of the Bushehr reactor is a reminder of ongoing concerns about the country’s nuclear intentions. Negotiations with Iran on a broad set of issues, though unlikely, might be the best pat…

Russia’s parliament ratified the New START treaty, but Russian domestic issues like terrorism, as well as U.S. and Russian presidential elections in 2012, make it unlikely that any further accords wi…

NATO members preparing for a new "strategic concept" to be issued at the November summit will have to both hash out serious differences about how NATO forces should be deployed and determine how best…