Tunisian army Chief of Staff, General Rachid Ammar, addresses the crowd in central Tunis on January 24, 2011.  Tunisia's army chief warned that a "power vacuum" in the country could lead to dictatorship, as the government prepared a major cabinet reshuffle after thousands rallied in the capital. AFP PHOTO / INES BEL AIBA        (Photo credit should read INES BEL AIBA/AFP/Getty Images)