You can find it here- http://www.washingtonpost.com/opinions/why-do-americans-still-dislike-atheists/2011/02/18/AFqgnwGF_story.html
Here is a snippet:
"Is this knee-jerk dislike of atheists warranted? Not even close.
A growing body of social science research reveals that atheists, and non-religious people in general, are far from the unsavory beings many assume them to be. On basic questions of morality and human decency — issues such as governmental use of torture, the death penalty, punitive hitting of children, racism, sexism, homophobia, anti-Semitism, environmental degradation or human rights — the irreligious tend to be more ethical than their religious peers, particularly compared with those who describe themselves as very religious."
Citations from the article to other research were interesting reading (in particular Zuckerman)