South Carolina Rep. Joe Wilson has been admonished for yelling “You lie” during President Obama’s health care speech, an outburst that startled many Americans and which others connected to this summer’s rowdy town hall behavior. However, in the United Kingdom the political process is routinely more raucous. Is American the land of polite politics… and is that changing? “There are differences in style between U.S. and U.K. political discourse,” says USC Annenberg communication professor and CCLP faculty fellow Tom Hollihan (pictured), author of Uncivil Wars: Political Campaigns in a Media Age…….