 Complete the following phrase:  The politics of Tunisia takes place within the framework of a unitary semi-presidential representative democratic republic, with a President serving as head of state, Prime Minister as head of government, a unicameral legislature and a court system influenced by French civil law. Between 1956 and 2011, Tunisia operated as a de facto one-party state, with politics dominated by the secular Constitutional Democratic Rally RCD under former Presidents Habib Bourguiba and then Zine el Abidine Ben Ali. However, in 2011 a 