Five days before the French presidential election's first round, far-left candidate Jean-Luc Mélenchon is multiplying his efforts – and, in a sense, himself – in a spectacular bid to rally hesitant lefists onside with one final high-tech rally before Sunday's crucial vote. Mélenchon will take the stage on Tuesday night in Lille – while across the country the 70-year-old's hologram addresses crowds in 11 other cities.