JR once tagged trains with graffiti. Now he’s responsible for one of the most luxurious carriages in the world

By Tom Page and Gisella Deputato, CNN (CNN) — Once upon a time, artist JR was just another teenage rebel with a spray can, tagging trains in his native Paris. Not big, not clever, but nevertheless a confluence of interests at the start of an illustrious career. The street artist, photographer and Oscar-nominated filmmaker says