Politics and politicians often create a collective shrug in society. But with the global financial crisis still affecting us, a federal budget looming and government funding of science and innovation in the spotlight, many Americans are paying more attention to politics than ever before. We look at the psychology, sociology and economics of today's political climate.
Verbal jabs and snappy one-liners have long been a tool of politicians, but Donald Trump has made insults a centerpiece of his campaign. Here's what science has to say about such political insults.