Arguably, he's the functional equivalent of a supreme pontiff. So much of contemporary American liberalism hinges on aesthetic presentation — the ever-present need to convey that you and your peers "get it" — and Stewart pioneered the perfect public sensibility tailored to this ambition. For years, cultural liberals' sense of savviness and ironic detachment, coupled with an underlying pretension to earnestness, was cultivated and affirmed by Stewart. His method of communicating political information on The Daily Show became the dominant style not just of mainstream corporate comedy, but of left-liberal politics as a whole. Everyone from establishment Democrats to cynical online leftists speaks of Stewart with worshipful reverence.