reveal media bias!

Note: This article, to be published in the October 2008 issue of Scientific American, was originally printed with the title, "Questions for Would-Be Presidents." Add your own questions for McCain and Obama in our comments section below. No one has ever complained that U.S. presidential candidates talk too much about science, and this year has been no exception. Nevertheless, science-related issues such as energy and health care, once viewed as sideshows, have taken center stage in this election.