By doing what they must do to keep their margins strong and their stock price healthy, every company paves the way for its own disruption.

Disruption is, at its core, a really powerful idea.

Disruption is continuously afoot in every industry, but especially in autos. It is how Toyota, Nissan and Honda bloodied Detroit: They did not start their attack with Lexus, Infiniti and Acura, but with low-end subcompact models branded Corona, Datsun and CVCC.

Disruption is a process, not an event, and innovations can only be disruptive relative to something else.

Every city and town in America would be bankrupt if they kept their books the way private-sector companies keep their books - because of the obligation cities and towns have taken upon themselves to provide health care for their retirees.

Every city and town in America would be bankrupt if they kept their books the way private-sector companies keep their books - because of the obligation cities and towns have taken upon themselves to provide health care for their retirees.