This will be Marine Le Pen's fourth run for the presidency of France - and the most promising of them all: the polls indicate that she is ahead of any other candidate • This week may be remembered as a critical moment in the National Union Party's journey from an "anti-Semitic fringe party" to the Elysee Palace • The one who is supposedly harmed is her protégé and designated heir Jordan Bardella - but he is expected to take a central part in the campaign as a candidate for prime minister