One cannot overemphasize the need of responsible citizens to look again at surviving documents to see if the history being taught is accurate, and that conclusions were not skewed by inapproriate societal pressures influencing the previous historian, who may have been too close to the situation to see the bigger picture. Microfilming and proper storage is the least we can do to preserve those documents for future generations. It is our legacy, it is their heritage. 

Full transcript:
http://blog.dearmyrtle.com/2007/08/triangulation-analysis-of-historical.html