The suburb of Ettadhamen in the Tunisian capital may have a bad reputation but it is a must on the campaign trail for presidential election candidates to show that they aim to combat poverty and social injustice. Around 80,000 people are crammed into the impoverished suburb of barely four square kilometres (1.5 square miles), a symbol of the economic and social hardships that undermine Tunisia's transition to democracy. On a sunny day in the runup to Sunday's presidential poll, the local m ......