Charlie who?01/05/2016January 5, 2016The attack on the French satirical magazine "Charlie Hebdo" shocked the world. It sparked a debate about freedom of speech that spread beyond France's borders. A year on, Arts.21 takes stock.https://p.dw.com/p/1HMvhAdvertisementWho was 'Charlie'?To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video