Darwin, >Great, Dennis! You always take it deeper than I'm able to. That would depend on what we were talking about. When it comes to designing a plane I expect I'd come a very poor second. BTW, did you >know Thomas Edison was afraid of the dark? I didn't. Interesting. Goes to motive as they say in the lawyer shows. Perhaps we should find ourselves a genius and get him/her really terrified of PD. Dennis.