Assassination Prompts Tunisian Opposition to Unite
update
A week after the assassination of Chokri Belaid, Tunisian opposition parties are uniting. They want the government to dissolve and the country to hold new elections. Belaid was a critic of the ruling Ennahda party and many opposition groups blame the party's supporters for the murder. As Henry Ridgwell reports from Tunis, the incident has shaken Tunisia's fledgling democracy.