"I think if we had a gun we would have been shot immediately." This is as good a place to start as any, at the logical limits of violent self-defense. The speaker is Andres Gutierrez of Nonviolent Peaceforce, a nonprofit organization that has engaged in peacekeeping work in troubled regions of the world for the last decade.
By the time my second born was 4-years-old he had built an arsenal in the toy room that Rambo would be proud of. Everything, he proved, could be a gun: candy canes, markers, his little sister's diapers, a piece of toast with the bites in all the right places. If he had known about the NRA, he probably would have joined.
As capital punishment laws come under closer scrutiny, we can expect to see significant progress away from the practice. However, this will not simply happen with the passage of time. It will require a greater level of engagement from the millions of people who now understand that it is time for capital punishment to end.