John - The value of History is the lessons we can lean from it, without that we will never advance. Prior to the science that gave us the sextant man thought the world was flat because "History" to that point in time said the world is flat. Which was the logical reason salors did not return from thier voages. Prior to the science that gave us the micro scope and the "discvovery" bacteria man thought man (doctors) didn't feel it important to scrub up prior to surgery. Because "hisortically" Docotors didn't think sanitation in the operatining theatere mattered. Prior to the advent of X-rays for joints to eliminate dysplacia or lab screening for gentics issues we thought one could simply breed to "good" dogs together and every would be all "Peachy-Keen" too :wink: Those that don't learn from the past are doomed to repete it. :D