Al-Qaida's Next Stronghold? What's At Stake In North Africa

Recent turmoil in Mali and Algeria point to the growing influence of al-Qaida in North Africa. Julian Barnes, <em>Wall Street Journal</em> Pentagon reporter, explains the details of the Algerian hostage crisis. Ret. Col. Thomas Dempsey, chair for security studies at the Africa Center for Strategic Studies, explains the threat al-Qaida presents in the region.