Chris Gibson

Among the chartered responsibilities of the federal government were, in those areas where appropriate - such as facilitating interstate commerce - to provide for justice and domestic tranquility, the common defense, and to secure the blessings of liberty.

Companies selling a product play down its vulnerability and emphasize its robustness. But only after technology leaves the dock is it really tested. For human operators in control of a supposedly infallible system, complacency and overconfidence can take over, and caution may be thrown to the wind.