Disasters like Oklahoma City and 9/11 were time-limited. The children who were affected psychologically could go to a place of normalcy.

The problem with most children's hospitals is that they are passive. They are high quality. They are filled with the best doctors. But their function is to wait until kids get sick and get referred in.

Many children face chronic stress from nutritional deprivation or persistent violence at home or in the community. By addressing their medical, emotional and developmental needs through a comprehensive clinical care model, we can lower their risk of developing long-term physical and mental health issues.

Poverty leads to hardship and failure.

The best way to get a sense of what kinds of emergencies might present themselves in your community is by contacting local chapters of the American Red Cross or offices of emergency management in the region or state. Most large cities will have their own offices of emergency management.

There's detailed information on how to assemble a nuclear weapon from parts. There's books about how to build a nuclear bomb.

Every school should have well-rehearsed emergency response protocols covering a variety of possible scenarios, from fire to armed intruders. Schools should have good lines of communications with local emergency response officials and practice those relationships in drills and special exercises.