"Conspiracy theories are generally the province of people who are high on I.Q. and "low on common sense",

SO TRUE :

"Conspiracy theories are generally the province of people who are high on I.Q. and "low on common sense",

http://douthat.blogs.nytimes.com/2010/06/29/birthers-polls-and-public-ignorance/?nl=opinion& emc=tyb1