France’s Far Right Outgrows Marine Le Pen

SAULIEU, France—For half a century, the Le Pen family has defined France’s far right and led one of Europe’s most prominent populist parties. Now, that legacy is under siege.

Voters who once supported Marine Le Pen are turning up at rallies for Éric Zemmour, an anti-immigrant TV pundit and rival to the far-right leader in France’s presidential elections in April.