Stellar sources such as the Select Committee on Ethics of the U.S. Senate and Citizens for Responsibility and Ethics in Washington debate the topic of congressional ethics. Subtopics are debated, providing more than one intelligent opinion, allowing readers to analyze what they are learning. G. Derek Musgrove claims that congressional ethics oversight is racially biased while Armstrong Williams reports that it is not. Other subtopics include sex scandals, insider trading, lobbying, and ethics legislation.