Kofi Annan's peace plan for Syria has been deemed a failure by most. Today he will announce a proposal to revive it that includes bringing Iran into the diplomatic process.
Syria is at the nexus of some of the Middle East's most central problems, meaning that fallout from its uprising is likely to ripple, in unpredictable ways, through the region. Here's a brief guide to the actors in the conflict.
A generally accepted definition of civil war is a fight for control of a nation, involving the state, one or more non-state actors, and at least 1,000 battlefield casualties. Sounds like Syria.
The summit is intended to allow EU leaders to reacquaint themselves with President Vladimir Putin, but they are expected to lean on him to take a stronger stand on Syria.