He fought France’s far right for half a century. Now Mélenchon’s presidential bid may hand it power

LE BOURGET, France (AP) — Young supporters wore his name on their backs like a soccer star’s, above the number 27. They sang about brass bands and revolution. Many had spent the fall protesting or blockading their schools. Then in walked Jean-Luc Mélenchon: 75 years old, on his fourth presidential run and old enough to...