This article was by Robert Barro. He is a really smart Economist at Harvard and tha author of my macroeconomics text we used in college (our professor was cited in there several times so we suspect collaboration on textbook profits).
The study finds that Fox is definitely biased and conservatively biased. More importantly, however, it finds that is is less biased than many other liberal media outlets. To read more and see how your favorite publications and programs measure up, you can read the original Businessweek article at:
Businessweek.com or you can search the web for reprints of it (here is
one )
-Rudey