Polling agency estimations indicate that mainstream candidates have delivered a stinging setback to France’s far right in regional elections on Sunday, thwarting its hopes of winning control of a region for the first time. The National Rally‘s best chance of a first-time regional victory was in the southeastern Provence-Alpes-Côte d’Azur region. Its candidate there, Thierry Mariani, was in a tight race with a mainstream conservative incumbent, Renaud Muselier.