David Singer: > I'll give you an analogy: > "The problem is that New York City is a long way from San Francisco, > and walking there is impractical. This remaining issue is addressed > if an airplane is used to fly to New York City. An example is shown > in figure 3."
An somewhat improved analogy would be someone using a modern ecological means of transport to drive from San Francisco to somewhere near New York and then is asked to use a less secure airplane for the rest of the trip. Cheers, Andreas
