The ability of the media to affect outcomes in economic and political markets has been well documented. News reporting and advertising influence consumer behavior in goods and services markets by revealing (or selectively revealing) information about a product, acting as agenda setters to influence consumer demand, or enhancing competition in markets by alerting consumers to substitutes. In political markets, they can affect behavior by informing voters about a politician's views or actions, enlightening citizens to outcomes of public policy, or taking a stance on political, social, or...