With additional reporting by Adam Uhrynowski.
We’re all familiar with mudslinging in political commercials, debates and speeches. In the recent Iowa caucuses, negative advertising was more apparent than ever. But why do America’s leaders spend so much time pointing out the competition’s flaws and defending their political (and personal) histories rather than promoting themselves? Does it even work? What if brands reverted to this tactic? We’ll answer these questions and more after the jump.