The right to know

Wikileaks and Julian Assange were just the beginning of an issue that's been causing a huge fuss all over the world, with Edward Snowden in the spotlight right now: Our right to know.
How far should we go in requiring our governments to hand over any information, no matter what about?
And how far should governments go to guarantee national security?
It's not that easy to set limits but we are all getting the feeling that everything we do is public whereas we know less and less about what politicians and powerful groups do.
I've chosen part of an interview with Julian Assange, confined in the Equadorian Embassy, to go a little bit further into this matter. Watch the video and do the multiple choice exercise below. You can get the whole interview transcript by clicking 'TRANSCRIPT' on the toolbar of the activity.