A UN tribunal’s ruling upholds the need for a rules-based order that counters China’s efforts to turn the South China Sea region into a sphere of influence, says expert Andrew Erickson.

The conflict in Ukraine’s east could remain unresolved indefinitely unless all sides pursue a different course toward a compromise, says expert Nikolas Gvosdev.

The Obama administration has other methods to pursue a binding international agreement on climate change in Paris that fall short of a treaty, says CFR’s John B. Bellinger III.

The prospect of sanctions relief as part of an Iran nuclear agreement has alarmed some in Congress, but they should see the value of a UN Security Council resolution affirming the deal, says CFR’s Jo…