Liberals and conservatives each have their own intellectual food chains. They have their own think tanks to provide arguments, politicians and pundits to amplify them, and news media outlets to deliver streams of prejudice-affirming stories. David Brooks Go to Columnist Page » The Conversation David Brooks and Gail Collins talk between columns. All Conversations » Readers' Comments Readers shared their thoughts on this article. Read All Comments (316) » Independents, who are the largest group in the electorate, don’t have any of this. They don’t have institutional affiliations. They don’t look to certain activist lobbies for guidance. There aren’t many...