"The News Flow Debate (NFD), which is about the imbalance in the flow of news internationally, has continued to generate interest in communication research ... This study analyzes the content of U.S. media coverage to determine the impact of social media on the content and flow of news in the United States. In other words, this study hopes to find if traditional media organizations in the U.S. are still setting public agenda in the era of social media networks popularity." (Quoted from paper)