Richard Blumenthal actually said...

The U.S. Government must protect at once two different forms of security: national security and personal privacy.

The provision of an adversarial proceeding such as you have described, which reflects the change in the role of the Court.

I regret that Osama bin Laden brings us to the airport about an hour earlier than we used to go, and I regret that Edward Snowden brings us ...

the Supreme Court is not necessarily an absolutely clear and non-controversial source of law.