cable networks including USA Network, CNBC and MSNBC, along with 11 NBC-owned and operated stations. Major news sources {| class="wikitable sortable" |- ! Name ! Means of distribution ! Main media type(s) ! Founded/launched |- | ABC News | Television,online |News | 1945 |- | CBS News | Television, magazines, and radio |News | 1927 |- | CNN | Television, online | News, Politics | 1980 |- | Fox News Channel | Television, online | News, Politics | 1996 |- | MSNBC | Television,online | News, Politics | 1996 |- | NBC News | Television, online |News | 1940 |- | The New York Times | Newspapers, online | News, sports | 1851 |- | USA Today | Newspapers, online | News | 1982 |- | The Wall Street Journal | Newspapers, online | News | 1889 |- | The Washington Post | Newspapers, online | News | 1877 |- | POLITICO | Online | News, Politics | 2007 |- | Bloomberg | Online | World news | 1981 |- | Vice News | Online | News | 2013 |- | HBO | Online, television | Entertainment | 1972 |- | HuffPost | Online | News | 2005 |- | TMZ | Online | Celebrity news | 2005 |- | CNET | Online | Tech news | 1994 |- | NPR | Radio, online | News | 1970 |- | The Hollywood Reporter | Magazines, online | Hollywood film | 1930 |- | Newsweek | Magazines, online | News | 1933 |- | The New Yorker | Magazines, online |News | 1925 |- | Time| Magazines, online | News | 1923 |- | U.S. News & World Report| Magazines, online | News | 1948 |} Agenda-setting An important role which is often ascribed to the media is that of agenda-setter. Georgetown University professor Gary Wasserman describes this as "putting together an agenda of national priorities — what should be taken seriously, what lightly, what not at all". Wasserman calls this "the most important political function the media perform". Agenda-setting theory was proposed by McCombs and Shaw in the 1970s and suggests that the public agenda is dictated by the media agenda. Agenda-setting in domestic politics In a commercialized media context, the media can often not afford to ignore an important issue which another television station, newspaper, or radio station is willing to pick up. The news media may be able