 For the most part, the individuals and groups that comprise it are only doing what other special interest groups do, but doing it very much better.By contrast, pro-Arab interest groups, in so far as they exist at all, are weak, which makes the Israel Lobby's task even easier.Author Mitchell Bard defined the Jewish "informal lobby" in 2009 as the indirect means through which "Jewish voting behavior and American public opinion" influence "U.S. Middle East policy".