Trevor TidwellYou're a man after my own heart. I do the same.
   It's worth the effort though. Often when I suspect something is
   wrong, I have to go WAY back the history of the FIELD of study
   to see where I think they went off track.... or I have to go
   back to my own schooling to see if I was given an idea by
   textbooks that was wrong and compare. That is usually the case
   when I find an idea that seems "right but not quite". "