In God we trust - all others pay cash. That's a sign we read in so many commercial establishments, and yet no matter how cynical, skeptical or worldly wise we are, the fact is our social order is based on absolute trust. Aren't we constantly placing our lives, our health, our fortunes into the hands of aeroplane pilots, cab drivers, lawyers, bankers, automobile mechanics... Like it or not, we are destined to be our brothers' keeper. Just as he is required to be ours...