If it's not OK to spy on senators, is it still OK to spy on citizens?

So the CIA Director admits that spying on the Senate was unconstitutional and in the same breath, admits he lied about it since his denial several months ago.  Apology accepted by Dianne Feinstein.

What about illegal snooping on ordinary citizens?

http://washingtonexaminer.com/if-its-not-ok-to-spy-on-senators-is-it-still-ok-to-spy-on-citizens/article/2551506