 Unlike Iran, the parliamentary election in France over the next two weekends could pose a serious challenge to the head of state. Emmanuel Macron called the snap poll after doing badly in European elections. And while his presidency is not under threat, his ability to govern may well be. He's warned that its support for extreme parties on the right and left threaten to plunge France into civil war. The far right is widely predicted to do well in the first round on Sunday. Andrew Harding has been gauging the mood in Brittany.