Turkish President Recep Tayyip Erdogan on Saturday proposed a nationwide vote on guaranteeing a woman’s right to wear a headscarf in state institutions, schools and universities. The subject is particularly important for devout Muslim Erdogan, whose Islamic-rooted ruling party lifted a long-standing ban on wearing the hijab in state institutions in 2013. The headscarf issue has dominated political debate in recent months ahead of general elections in 2023 that are set to be one of the most serious challenges to Erdogan’s two-decade control of Turkey. Erdogan often refers to the ban’s lifting a…