David Muir takes over at ABC's 'World News'
Associated Press - 1 September 2014 09:51-04:00
News Topics: Business, Arts and entertainment, Television programs, Entertainment, TV news, Judicial appointments and nominations, News media, Media, Television, Judiciary, Government and politics, Government appointments and nominations
People, Places and Companies: David Muir, Diane Sawyer, Brian Williams, Scott Pelley, Peter Jennings, David Westin, Bob Woodruff, Elizabeth Vargas, George Stephanopoulos, Syracuse, New York
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