All day long Emmanuel Macron skulked behind the majestic walls of his presidential palace while outside, his city – and his country – once again erupted in fury. Not only was the Elysee Palace guarded by hundreds of riot police but also armoured cars bearing machine guns and grenade launchers. Excessive perhaps, but few who spent any time in Paris yesterday would doubt that but for this formidable ring of steel, the mob would have surely tried to storm inside. It was a day of reckoning, a day of insurrection. And this time the revolutionary spirit was catching. There were...