Who are these jurors? A lot of people want to blame the legal system, but what we have is a problem with our citizenry. It seems many juries don't understand

Who are these jurors? A lot of people want to blame the legal system, but what we have is a problem with our citizenry. It seems many juries don't understand technology enough to form an opinion in cases like this. Also, juries in general don't seem to understand how jury nullification can work to properly constrain our government.