Personal Privacy and National Security: Is There a Trade-off?

When Edward Snowden revealed the extent of electronic spying, President Obama assured Americans their privacy was being carefully guarded. But the chief judge of the secret court responsible now says it can't do the job, admitting that only the government knows who's being spied on and why. Now the President has joined the political Left and Right-leaning libertarians who want a special advocate to argue the public's interest before the secret court. But others warn that could impede and delay the surveillance needed to safeguard the nation. We hear a debate.