MONASTIR – Flanked by columns of private security, Tunisian lawmaker Abir Moussi recently swept onto a stage to address an adoring crowd at a rally filled with symbols evoking the North African country’s past.Since winning a parliamentary seat in 2019, Moussi has become one of the country’s most popular — and most controversial — politicians, riding a wave of nostalgia for a more stable and prosperous time, just as Tunisia marks 10 years since protesters overthrew autocratic former President Zine El Abidine Ben Ali.Moussi, a lawyer and former official in Ben Ali’s ruling party, freely stokes that yearning and purports to offer a way back, telling the crowd in the coastal town of Monastir on a recent afternoon that "Tunisia is bleeding, that.