Newsnight - 22/07/2010

In-depth investigation and analysis of the stories behind the day's headlines with Gavin Esler. On the day that Lib Dem peer Lord Carlile publishes his review of terror laws, Richard Watson asks, is the government going soft on terror? Plus progress in finding the elusive Higgs-Boson or 'God particle' and the government's new National Citizenship Service for 16-year-olds.