What is it like, I am asked, to represent someone if you know they are guilty? It sounds flip, and plays easily into the notion that I am a sociopath to answer, truthfully, that representing a guilty person is easy, relatively stress free. It is representing the condemned but innocent which brings with it a private hell.
While Nixon broke the law to attack dissenting voices, Obama has distorted it to the same effect. And he's taken his powers much, much further -- misinterpreting outdated or poorly written laws to claim his administration's authority to spy on almost anyone who uses modern technology to communicate.