> I'd say that assuming that nobody else has that kind of computing power is quite arrogant Maybe, but there's also probably a team of very smart people whose

> I'd say that assuming that nobody else has that kind of computing power is quite arrogant Maybe, but there's also probably a team of very smart people whose job it is to consider all of the information and make that call on a case-by-case basis. I'm sure they get it wrong sometimes, but I'd also imagine they get it right most of the time. > it's certainly not "ethical" to keep it undisclosed Sure, but by that ethical posture nothing the NSA does is ethical. If you accept as ethical the NSA's mission of protecting Americans at the expense of other humans, this particular method seems pretty ethical.