How would that be different to what happened 200 years ago? The British considered the American rebels traitors and could have hung them. They didn't since the US also held British prisoners. What they did do was hold them in prison ship, in which many a prisoners died.
http://en.wikipedia.org/wiki/Prisoners_of_war_in_the_American_Revolutionary_War
The two times that I know of that there was a rebellion in the US (Whiskey Rebellion and Civil War), an army was drafted and the rebellion crushed. Why do people think things would be different now?
If you have enough people to start a revolution, you have enough people to get people that think like you elected. I would think it would be much easier to get people to vote rather than take up armed resistance.