Mike Lee actually said...

We were unable to speak about this publicly because we have secret procedures being undertaken pursuant to secret law.

I do think it is worth discussing publicly, and I think it is also something that we need to consider from a constitutional standpoint.

I think at some point when you collect that much data on that many people--whether it is that much data on one person, that might create som...

As I understand it, the NSA's collection of metadata... is accomplished pursuant to Section 215 of the PATRIOT Act.