Tunisia's so-called unity government is barely a day old and already four members from the opposition have quit, undermining its legitimacy. <br /><br />Police clashed with protesters for another day in the capital, Tunis. <br /><br />And there were emotional scenes at the airport, where opposition leader Moncef Marzouki arrived after more than 10 years in exile in France.<br /><br />He received a raptuous welcome. <br /><br />Hashem Ahelbarra reports.
