Unlike a significant fraction of the population, I don't have a hard time understanding why academics vote progressive -- apparently some 3/4 of the time. Instapundit claims it occurs because of a lack of "diversity". What he attributes to group-think of some sort, I actually believe amounts to intelligence and plain logic mixed with critical thinking. In other words, things you learn at the university level.
This number does not differ much from a report released last year, and with the possibility of even higher numbers on the elite campuses.
And it goes back even further:
At the birth of Western culture, a teacher called Socrates was executed for filling "young people's heads with the wrong ideas."