France has been primed for this going back to their last elections. Where the left won and the centrists said "no you didn't" and installed a revolving door of centrist prime ministers.
What's happening there is the same as the rest of the west. The center is collapsing and the fringes want a fight
France is under pressure from the bond markets; budgets are being squeezed; the economy is weak; public opinion is anxious. A febrile country is a place in which anger and frustration could spill over into violence
bit.ly
Schoolyard protests are setting France ablaze
Six months from an election, the mood is tense