Why is the adversarial system of law a necessity to produce just results?

Part 1: With that in mind, please explain the adversarial system of law that we have in the United States and the significance of the Sixth Amendment. Why is the adversarial system of law a necessity to produce just results? What is that process – please explain the prosecutor’s role and the defense attorney’s role. Part 2: When has the line been crossed between a public trial at which the media are present and a “trial by media”? Could this problem ever justify barring the media form attending trials? Do the media ever have that much influence on the public or jurors? Please explain your answers. This assignment should be 2 pages (500 words). Cite sources.