It's hard to see how John Brennan can survive this.
After "stonewalling" the Senate and providing "misleading information" and hiding "important facts inside a blizzard of excess documents" and forcing "endless delays in the declassification process" throughout the Senate's investigation into Bush-Cheney's torture program, and then after protesting with immense indignation that "allegations of C.I.A. hacking into Senate computers" were an outrage--"I mean, we wouldn’t do that. I mean, that’s just beyond the scope of reason"--John Brennan's agency has said ... Oops, yes we did illegally snoop on those who are constitutionally charged with our oversight.
The C.I.A.'s illicit, domestic spying may have been beyond the scope of reason, as Brennan dismissed it, but unreasonableness is what comes from an institutional zealousness out of control. As the NYT's editorial notes, if Brennan knew about his agency's technological B&E activities, then quite obviously he's a liar. And if he didn't know, then just as obviously he harbors little understanding as to just what in hell his agency has been up to, thus he's an incompetent.
So it's hard to see how Brennan can survive this. Nor should he.