All this talk about science and politics reminds me of the old question: what is the difference between a scientist and a politician? Answer: A scientist learns more and more about less and less until he knows everything about nothing, while a politician learns less and less about more and more till he knows nothing about everything!! hilary blue laugh and the world laughs with you; cry and the world laughs at you. ---------------------------------------------------------------------- To sign-off Parkinsn send a message to: mailto:[log in to unmask] In the body of the message put: signoff parkinsn