Sheikh Rachid Ghannouchi, head of the Ennahda movement, chants slogans during a protest in front of Egypt's embassy in Tunis February 4, 2011. The protest was held to demand the end of Egypt's President Hosni Mubarak's 30-year rule as part of a wave of unrest gripping the Middle East. REUTERS/Louafi Larbi (TUNISIAPOLITICS UNREST - Tags: POLITICS CIVIL UNREST)