Experts believe Yemen is on the brink of civil war. For the past week, the country has been rocked by violence. Security forces have clashed with tribes demanding that the president step down. Shatha al-Harazi of The Yemen Times discusses the latest news from the capital Sanaa. Washington Bureau Chief for Al Jazeera International Abderrahim Foukara explains the implications of a civil war for Yemen, the U.S., and the Yemeni arm of Al-Qaeda.