By Nicholas Vinocur PARIS (Reuters) - A French ban on praying in the street came into force on Friday, driving thousands of Muslim worshippers in northern Paris into a makeshift prayer site in a disused fire brigade barracks, angering a small but vocal minority. The street-prayer ban has highlighted France's problems assimilating its 5-million-strong Muslim community, which lacks prayer space, and follows a long-running controversy, fanned by far-right leader Marine Le Pen, over Muslims forced to lay their prayer mats on the streets in big cities. Read More...