Csn's R Frank has a nice article on Doug's history. His QB days with D. McNabb are explained. It essentially explains why he is a reasonable selection as HC in the city of tough love.
http://www.csnphilly.com/football-philadel...ence-under-reid

( It would be interesting to see how the personality of the city would change if there was a little lithium in the water. It is certainly nice for my formerly very intense personality. My Li was very low on a hair test. )
http://www.nytimes.com/2014/09/14/opinion/...of-lithium.html

http://www.ncbi.nlm.nih.gov/pubmed/1699579