It’s time to find our pump handle, or to get a right pump handle.

Let me explain.

150 years ago, 500 people died of cholera in just ten days in one London neighborhood, marking the beginning of another horrible epidemic. Victorian physician Dr. John Snow of London had already written a controversial pamphlet suggesting that cholera was not caused by “vapors,” but was instead a disease of the “gut,” spread by contaminated water.

With the high number of deaths in this neighborhood, he studied the cases and was convinced that a pump at the intersection of Broad and Cambridge Streets was the sole source of contaminated water. In an emotional public meeting, he suggested removing the pump handle so no more water could be drawn from that location.

The rest is history. The handle was removed,…