After Rush Limbaugh, Glenn Beck and Sean Hannity are the two most popular rightwing talk hosts in America, defining for millions the definition of the term “conservative.” Lately, Beck has focused on attacking “progressivism,” often stressing that the progressive foreign policy of President Woodrow Wilson, who wanted to “make the world safe for democracy,” was identical to that of George W. Bush. Hannity takes a very different view, stating, “You can’t deny that George Bush was conservative on national security issues.” Yet, Beck does deny this, quite regularly. Who’s right? Better yet, who’s “conservative?” That depends on your definition. The...