Last week, at the Democratic National Convention, Hillary Clinton declared “I believe in science!” In contrast, Donald Trump has called climate science a "hoax." He's far from alone; a deep distrust of science seems to be spreading, particularly within the Republican party. While we expect politicians to disagree on how best to address the issues we face, it now seems that science, itself, has become a wedge issue. Naomi Oreskes, a science historian at Harvard University and co-author of