[Editor’s note. This is a continuation of the debate between Michael Berube and David Horowitz after the close of part one. For clarity, we have posted Horowitz’s responses to Berube’s original objections to DiscoverTheNetwork.org and then Berube’s replies. The exchanges are separated by asterisks.] * * * Horowitz: How does the database “blur the distinctions between the mainstream left and the far far left” or “between the far left and liberals such as Barack Obama?” The database clearly identifies five categories of leftists: “Totalitarian Radicals,” “Anti-American Radicals,” “Leftists,” “Moderate Leftists” and “Affective Leftists.” How are the distinctions blurred if they...