Quote from nutmeg:
Interesting...I'm going to look around but I did find this dated in '06,
"It turns out that the astrologoical signs of the politicians are quite skewed, with Gemini, Cancer, Libra, and Virgo over-represented."
http://www.freakonomics.com/2006/07/14/what-can-astrology-tell-us-about-american-politics/