Why are most top colleges liberal?

[GMTplus7]

<p>

people who are more educated tend to be more liberal

I just love the conceit!</p>

<p>According to this NYTimes story, physicians & natural scientists outside of academia tend towards the conservative. I think these 2 groups are hardly lacking in IQ
<a href=“http://www.nytimes.com/imagepages/2010/01/18/arts/18liberal-2.html[/url]”>http://www.nytimes.com/imagepages/2010/01/18/arts/18liberal-2.html&lt;/a&gt;&lt;/p&gt;