As in the movie "The Sixth Sense," (in which many ghosts didn't know they are dead and only see what they want to see), for most Americans our auto centric suburban way of life is dead, but most of us don't know it yet, and we only see what we want to see.
It's not my fault. I sold my car.
This is from a comment by one Jeffrey J. Brown on Menzie Chin's blog post.