Antiracism groups will join French unions and a brand-new left-wing coalition in protests in Paris and across France on Saturday against the surging nationalist far right as frenzied campaigning is underway ahead of snap parliamentary elections. In Paris, those who fear that the elections will produce France’s first far-right government since World War II, will gather at Place de la Republique before marching through eastern Paris. Crowds have been gathering daily ever since Marine Le Pen’s anti-immigration National Rally made historic gains in the European Parliament elections on Sunday, crushing President Emmanuel Macron’s pro-business moderates and prompting him to dissolve...