Politics

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House Democratic Caucus Chairman Mike Turner is greeted by colleagues on the House floor in Nashville, Tenn., on Thursday. Feb. 27, 2014. The Nashville Democrat announced he won't seek re-election this year. (AP Photo/Erik Schelzig)

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House Democratic Caucus Chairman Mike Turner, center, speaks with Rep. Rick Womick, R-Murfreesboro, on the House floor in Nashville, Tenn., on Thursday. Feb. 27, 2014. Turner, D-Nashville, announced he won't seek re-election this year. (AP Photo/Erik Schelzig)

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House Democratic Caucus Chairman Mike Turner, right, shakes hands with Rep. Sheila Butt, R-Columbia, on the House floor in Nashville, Tenn., on Thursday. Feb. 27, 2014. Turner, D-Nashville, announced he won't seek re-election this year. (AP Photo/Erik Schelzig)

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Former Arkansas treasurer Martha Shoffner walks to the federal courthouse in Little Rock, Ark., for arraignment on charges that she misspent thousands of dollars in campaign money on personal items.Thursday, Feb. 27, 2014. (AP Photo/Danny Johnston)

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Former Arkansas treasurer Martha Shoffner walks from the federal courthouse in Little Rock, Ark., after she pleaded not guilty to mail fraud charges that allege she misspent thousands of dollars in campaign money on personal items.Thursday, Feb. 27, 2014. (AP Photo/Danny Johnston)

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Northern Ireland First Minister Peter Robinson pauses as he speaks to the media at Stormont, Belfast, Northern Ireland, Thursday, Feb. 27, 2014. Robinson has welcomed the inquiry set up to look into the NI secret letters row and also said he was happy with the terms of reference for the inquiry. He had threatened to resign over the issue of 'On the Runs' - republican paramilitary suspects who were given assurances that they were not being sought by police. (AP Photo)

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FILE-This Friday, June 14, 2013 file photo shows the street entrance to the convention center in Cleveland. Ohio’s three largest cities, Cincinnati, Cleveland and Columbus, have been named finalists in the competition to host the 2016 Republican National Convention. Republican National Committee Chairman Reince Priebus named the three among the party’s eight finalists in a Twitter post Thursday, Feb. 27, 2014. They join Denver, Dallas, Kansas City, Las Vegas and Phoenix. (AP Photo/Mark Duncan, File)

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FILE - This Nov. 3, 2013 file photo shows former "American Idol" contestant Clay Aiken at the Broadway opening of "After Midnight"in New York. Aiken officially filed Thursday, Feb. 27, 2014, to run for Congress in North Carolina, saying that he wants to help end the gridlock in Washington and that no single political party has all the answers. (Photo by Charles Sykes/Invision/AP, File)