When are Celebrity Campaign Endorsements Effective?
Chuck Norris, Barbara Streisand and Jerry Springer -- sometimes we hear celebrity names more than the candidates they are endorsing. So, on voting day, do celebrities really help the politicians they support? Using the case study of talk show icon Oprah's endorsement of Barack Obama, University of Minnesota Communication Studies researcher Rebecca Kuehl has determined that it takes just the right kind of fame to help a campaign.