Cnn

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FILE - This Jan. 10, 2014 file photo shows Piers Morgan of the CNN show "Piers Morgan Live" at the CNN Worldwide All-Star Party, in Pasadena, Calif. (Photo by Chris Pizzello/Invision/AP, File)

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Sen. Rand Paul, Kentucky Republican, came out as the favored Republican candidate for a White House run in 2016 in a recent CNN/ORC poll, garnering 16 percent of the support. (Associated Press)

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This image released by CNN shows Elizabeth Dozier, center, principal of Fenger High School in Chicago a scene from the CNN documentary, "Chicagoland." The 8-episode series will debut on Thursday, March 6 at 10p.m. on CNN. (AP Photo/CNN)

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This image released by CNN shows Chicago Mayor Rahm Emanuel in a scene from the CNN documentary, "Chicagoland." The 8-episode series will debut on Thursday, March 6 at 10p.m. on CNN. (AP Photo/CNN)

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This image released by CNN shows Chicago Mayor Rahm Emanuel in a scene from the CNN documentary, "Chicagoland." The 8-episode series will debut on Thursday, March 6 at 10p.m. on CNN. (AP Photo/CNN)

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** FILE ** Gov. Mike Pence, Indiana Republican, said states need to have the "freedom and flexibility to craft policies" on CNN's "State of the Union." (Associated Press)