For the first time ever, a majority of Americans would now vote for a qualified presidential candidate who is an atheist. Fifty-four percent said so in a Gallup poll published last month. The poll seems to indicate that today's secular movement, though still flying under the radar of many Americans, is producing results. The United States is witnessing a growing, empowered nonreligious demographic.
MORE: http://www.newsday.com/opinion/oped/niose-atheists-making-political-inroads-1.3850703
See also...
9 Great Nonbelievers In U.S. History
http://www.huffingtonpost.com/david-niose/great-nonbelievers-atheists-history_b_1677760.html
Top 10 Atheist Characters on Television
http://www.americanhumanist.org/HNN/details/2012-07-top-10-atheist-characters-on-television
Ben Bova: History says atheists just as moral as believers
http://www.naplesnews.com/news/2012/jul/22/ben-bova-history-says-atheists-just-as-moral-as/