I would say they are all necessary, and none sufficient without the others. The fifth and fourth prevent the government from arbitrary prosecution, which they

I would say they are all necessary, and none sufficient without the others. The fifth and fourth prevent the government from arbitrary prosecution, which they may be inclined to do if you exercise your rights under the first in some manner they don't like, and so on. And yes, I'm one of those that believe the 2nd is the ultimate fail-safe when the government throws the rest out the window. The technology of connectedness that has enabled the world's unprecedented run of peace and prosperity in the last century has also allowed governments an even more unprecedented power to surveil and control their populations, and it may well take a credible threat of retaliation to make them back down.