Professor Is a Label That Leans to the Left - NYTimes.com
Typecasting, of course, is not the only cause for the liberal tilt. The characteristics that define one’s political orientation are also at the fore of certain jobs, the sociologists reported. Nearly half of the political lopsidedness in academia can be traced to four characteristics that liberals in general, and professors in particular, share: advanced degrees; a nonconservative religious theology (which includes liberal Protestants and Jews, and the nonreligious); an expressed tolerance for controversial ideas; and a disparity between education and income.
