This video is very interesting and it got me thinking that somewhere Dr. Deb Bennett had written about Secretariat. I finally found it and will post it as well (although it is much longer that I like to 'borrow')...
Secretariat vs American Pharoah
(Sorry for the mess but I didn't have the patience to try and fix it) :(
The article is from Equus #434 November 2013 pp.42-61
