Americans have a right to guns. How about to public peace?

For years, mass shootings have prompted vehement debates in legislatures and at kitchen tables about the constitutional right to bear arms. But last week’s killings by a shooter in Lewiston, Maine, have given momentum to a national conversation about something more fundamental: the right to a reasonable sense of peace. 

At a time when the United States Supreme Court is expanding gun rights, many Americans are asking what peace in their communities looks like. 

Gun rights advocates argue that guns are a symptom and not a cause of the problem....