http://www.slate.com/articles/health_and_science/science/2013/08/nsa_domestic_spying_mathematicians_should_speak_out.html http://www.slate.com/articles/health_a

http://www.slate.com/articles/health_and_science/science/2013/08/nsa_domestic_spying_mathematicians_should_speak_out.html http://www.slate.com/articles/health_and_science/science/201... there is an account of an NSA employee thinking through the morality of his work