Lynn Vavreck is associate professor of political science at the University of California, Los Angeles (UCLA), where she has taught since 2001. She previously taught at Dartmouth College and held a research position at Princeton University. Before returning to the academy, Vavreck worked in the White House and on presidential campaigns. Her research focuses mainly on the effects of campaign messaging and specifically on the impact of political advertising. She is the author of "The Message Matters: The Economy and Presidential Campaigns" and co-author of "Campaign Reform: Insights and Evidence"...