This document summarizes a lecture about media and its role in American government. It discusses the basics of media including types and audiences. It covers the historical evolution of media from partisan presses to today's major conglomerates owning most media. It also discusses journalists, their roles and demographics, as well as the Washington press corps. Finally, it outlines media's role in shaping public opinion and impacting politics through behaviors like horserace journalism and the relationship between politics and public relations.