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** FILE ** In this Aug. 10, 2011, photo provided by NBC, "Today" show co-host Savannah Guthrie appears on the set during a broadcast, in New York. Guthrie was welcomed Monday, July 9, 2012, by her co-host, Matt Lauer, after replacing Ann Curry as co-host on the popular morning news program. A majority of morning viewers has greeted the arrival of Savannah Guthrie with a yawn in her first week as “Today” show co-anchor. Nielsen says NBC's “Today” was beaten last week by ABC archrival “Good Morning America” by 357,000 viewers. (AP Photo/NBC, Peter Kramer, File)

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**FILE** Robert Wright, president and chief executive officer of NBC, speaks in New York with Microsoft chairman Bill Gates (seen on screen) in Hong Kong during a Dec. 14, 1995, news conference announcing that NBC and Microsoft would form a joint venture to start a cable news channel and related online service called MSNBC. (Associated Press)

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Crooner Michael Buble (right) will advise country star Blake Shelton's team of contestants on NBC's "The Voice." (Associated Press)

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Blake Shelton (left) and Michael Buble are pictured on the set of NBC's "The Voice" on Monday, July 9, 2012, in Los Angeles. Mr. Buble will act as adviser to Mr. Shelton’s team of contestants on the show. (AP Photo/NBC, Tyler Golden)

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**FILE** NBC's "Today" show co-host Ann Curry attends the show's 60th anniversary celebration at the Edison Ballroom in New York on Jan. 12, 2012. (Associated Press)

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NBC "Today" shows co-hosts Ann Curry and Matt Lauer (center) banter Tuesday with actor Jimmie Walker of 1970s comedy series "Good Times" fame. The TV entertainment rumor mill has Ms. Curry in danger of being axed from the show because of faltering ratings after more than 16 years at the top of the morning-show ladder. (NBC via Associated Press)