Three years ago today, Tahrir Square in central Cairo was a scene of jubilation as the resignation of President Hosni Mubarak was announced by a senior army officer.<br /><br />A year later, Mohamed Morsi, of the Muslim Brotherhood, became the first democratically elected president.<br /><br />But the country has continued to see wave after wave of political turbulence.<br /><br />Al Jazeera's Hashim Ahelbarra reports.
