This week’s recommended links

kosmonavt_47e1a1b080b22.jpgReuters: Bearing Witness, five years of the Iraq War / Guardian Comment is Free: Hans Blix on why the War in Iraq was UTTER FOLLY / Guardian Arts Blog: Jonathan Glancey: A £50 hand-powered laptop? Amazing / Ars Technica: Twitter breaks down barriers in the classroom / Atlantic: Michael Beirut on Stanley Kubrick’s favourite font / NY Times: A city that sat on its treasures: the modern tragedy of Le Corbousier’s Chandigarh