Experts say instability in south Sudan should be looked at in tandem with the crisis in Darfur, and some call for addressing Sudan’s problems in a more unified way to help forestall an escalation of …

The arrests of four Iranian-Americans have created a chill among those in Iran working to open up civil society and led to disagreements over U.S. support for those efforts.

Whether to engage heads of rogue states, a perennial foreign policy dilemma, has emerged in the 2008 U.S. presidential campaign.

One year into the U.S. State Department’s effort to transform foreign assistance programs, funding is up but criticism remains over the scope of the reforms.

Backgrounder: Ongoing sectarian troubles and corruption threaten Nigeria’s future security.