An overview of Peruvian terrorist groups, Shining Path and Tupac Amaru.

An increasingly chaotic political situation in Darfur may require a more inclusive round of negotiations than currently envisioned.

France has been reviewing its military doctrine in Africa, with a new emphasis on multilateralism. But events in Chad suggest unilateral action remains on the table.

President Barack Obama says he will seek vigorous climate-change policy. Efforts to curb greenhouse gases pose considerable economic pitfalls, as well as opportunities.

While attention is focused on deploying UN peacekeepers to Darfur, most experts say a negotiated peace agreement remains the only way to settle the crisis.