Soon, Americans may find every private email they write could be opened, copied and inspected by government snoopers. The latest cyber security bill – called CISPA – has passed the House of Representatives, coming a step closer to becoming law. President Barack Obama has threatened to veto the act, if it goes through in the Senate. He cited civil liberty concerns as the reason for his threat. CISPA has raised a massive outcry with internet users and freedom activists, who say it's a hard hit on people's privacy. Reaction now from Dr Richard Stallman, who's President of the Free Software Foundation. He's in Tunis.