We know that on many occasions the [cloning] system fails and the cloned animals are abnormal and may not even be viable, even though they develop to term. So right now it would just be grossly irresponsible to use the technique in producing a child.
One of the most talked-about books of the past year is a simple, fanciful tale of a boy, a lifeboat, and a tiger. Yann Martel's novel is simple to describe, but far more complicated to interpret.