Use these websites to gather background information and gain insight into controversial topics. These are great resources to use for building a keyword list and gathering questions about your controversial topic.
ProCon.org This site provides questions and information about current popular, controversial issues.
Room for Debate Sponsored by the New York Times, these opinion essays are written by "knowledgeable outside contributors" on a wide variety of topics.
AllSides Shows news articles from the right, center, and left on current events.
Public Agenda Nonpartisan, nonprofit organization focused on "improving dialog and collaboration among leaders and communities." Includes original reports and surveys.