AFPOne of France's top colleges - the Ecole Nationale d'Administration - will be shut down, French President Emmanuel Macron has announced, under plans to boost social mobility.A degree from the ENA has been the passport to the upper echelons of French politics for generations.Its graduates include Mr Macron himself and ex-presidents François Hollande and Jacques Chirac.However, it has become the target of populist anger at perceived elitism.