La guerre des idées 4 / 5

http://www.dailymotion.com/grandeetoile/video/x7in02_la-guerre-des-ides-1-5_tech

http://www.dailymotion.com/grandeetoile/video/x7ine6_la-guerre-des-ides-2-5_tech

http://www.dailymotion.com/grandeetoile/video/x7io2h_la-guerre-des-ides-3-5_tech

http://www.dailymotion.com/grandeetoile/video/x7iqfr_la-guerre-des-ides-5-5_tech