Some authors on 'Progress' - whence it came and where it is going

Easily accessible, free, on-line information from highly regarded authors  ... and possibly useful to share with folks who are devotees of 'Progress' (i.e., our entire culture :)  I hope to add more as I come across them...with emphasis on the 'easy' part... no books will be here ;)

Jared Diamond - article
http://delong.typepad.com/teaching_spring_2006/2008/01/jared-diamond-t.html

Ronald Wright - listen to his Massey Lecture
http://www.cbc.ca/radio/ideas/the-2004-cbc-massey-lectures-a-short-history-of-progress-1.2946872