Federation leaders are massing forces at the gates, but years after the first proposed selling off of its commercial legacy and the Qatar World Cup In recent decades the city of Salé, just across the river from Rabat on Morocco’s Atlantic coast, has undergone a remarkable transformation. At the start of this century it was a gritty working-class area, whose old town was still weathered enough to serve as a body double for the Somali capital Mogadishu in the film Black Hawk Down. But in recent d…