Tunisia’s powerful UGTT labour union on Saturday re-elected Noureddine Taboubi as its leader as it approaches a critical national turning point in which it may play a pivotal role. Taboubi, who has been UGTT leader for five years, has taken a cautious stance during the turbulent months since President Kais Saied seized executive powers in a move his foes call a coup. The union’s blessing is seen as vital for any effort by Tunisia’s authorities to implement economic reforms demanded by foreign donors in return for a financial rescue package to avert a looming crisis that threatens to bankrupt T…