Yemen: avoiding a downward spiral / Christopher Boucek -- Exploiting grievances: Al-Qaeda in the Arabian Peninsula / Alistair Harris -- War in Saada: from local insurrection to national challenge / Christopher Boucek -- The political challenge of Yemen's southern movement / Stephen Day -- What comes next in Yemen? Al-Qaeda, the tribes, and state-building / Sarah Phillips -- Stabilizing a failing state / Marina Ottaway, Christopher Boucek.