Some links:
Party: https://www.psychologytoday.com/blog/homo-consumericus/201202/is-there-liberal-bias-among-american-professors
Donations: http://www.opensecrets.org/news/2010/09/politically-active-professors-dont/
I don’t understand why some on the Left want to hide this fact. Be proud of it … own it! Same goes for the media.