What is the role of government in protecting people despite themselves?

The recent devastation wrought through most of the Eastern Seaboard of the United States by Superstorm Sandy in late October and early November this year — the deadly combination of a hurricane, a nor’easter and the unfortunate simultaneous timing of a high-tide surge — has been sobering. It affected millions of people. It caused flooding of homes and businesses. Strong winds downed trees that in turn downed wires, shutting down power grids and phone lines, causing fires and interrupting supply routes for essentials like food, water and gasoline. Today, almost a month after the storm, some people still do not have their power back.