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![ヒラリー・クリントン 前国務長官（民主党）]()
BERLIN, GERMANY - JULY 06: Hillary Rodham Clinton, former United States Secretary of State, U.S. Senator, and First Lady of the United States, speaks during the presentation of the German translation of her book 'Hard Choices' ('Entscheidungen' in German) at the Staatsoper in the Schiller Theater on July 6, 2014 in Berlin, Germany. (Photo by Adam Berry/Getty Images)
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![バーニー・サンダース氏（民主党）]()
Democratic Presidential Candidate Bernie Sanders speaks at the University of Iowa in Iowa City, Iowa, January 30, 2016, ahead of the Iowa Caucus. / AFP / Jim WATSON (Photo credit should read JIM WATSON/AFP/Getty Images)
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![マーティン・オマリー 元メリーランド州知事（民主党）]()
DES MOINES, IA - JANUARY 30: Democratic Presidential Candidate and former Maryland governor Martin O'Malley speaks to supporters at his campaign headquarters, Saturday January 30, 2016 in Des Moines, Iowa. O'Malley and other candidates are making their final pleas to the voters of Iowa with the caucus just two days away. (Photo by Steve Pope/Getty Images)
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Republican presidential candidate, real estate mogul Donald Trump, speaks at the Family Leadership Summit in Ames, Iowa, Saturday, July 18, 2015. (AP Photo/Nati Harnik)
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Republican presidential candidate, Sen. Ted Cruz, R-Texas, speaks during a campaign event, Saturday, Jan. 30, 2016, in Ames, Iowa. (AP Photo/Mary Altaffer)
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![マルコ・ルビオ 上院議員（共和党）]()
NEW CASTLE, NH - MAY 9: U.S. Sen. Marco Rubio (R-FL) addresses the New Hampshire Rockingham Committee Freed Founder's Dinner on May 9, 2014 in New Castle , New Hampshire. Rubio visited the state as he weighs a 2016 presidential run. (Photo by Scott Eisen/Getty Images)
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Republican presidential candidate, Ben Carson speaks during a campaign event at the Noah's Event Venue, Saturday, Jan. 30, 2016 in West Des Moines, Iowa. (AP Photo/Chris Carlson)
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![ジェブ・ブッシュ 元フロリダ州知事（共和党）]()
UNITED STATES - SEPTEMBER 24: Former Florida Gov. Jeb Bush, speaks at an event with Thom Tillis, Republican candidate for North Carolina Senate, and members of the National Federation of Independent Business at Illuminating Technologies Inc., in Greensboro, N.C., September 24, 2014. (Photo By Tom Williams/CQ Roll Call)
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![ランド・ポール 上院議員（共和党）]()
CHARLESTON, SC - SEPTEMBER 30: U.S. Senator Rand Paul (R-KY) speaks to students at the College of Charleston during a town hall meeting on September 30, 2014 in Charleston, South Carolina. Paul has been speaking at a series of GOP events in the state, including the Universtity of South Carolina in Columbia. (Photo by Richard Ellis/Getty Images)
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![クリス・クリスティー ニュージャージー州知事（共和党）]()
GOOD MORNING AMERICA - New Jersey Governor Chris Christie is a guest on 'Good Morning America,' 11/5/14, airing on the ABC Television Network. (Photo by Lou Rocco/ABC via Getty Images)
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![マイク・ハッカビー 元アーカンソー州知事（共和党）]()
Republican presidential candidate, former Arkansas Gov. Mike Huckabee, talks during a campaign stop at the Crossroads Shooting Sports, Saturday, Jan. 30, 2016 in Johnston, Iowa. (AP Photo/Chris Carlson)
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![ジョン・ケーシック オハイオ州知事]()
TAMPA, FL - AUGUST 29: Ohio Gov. John Kasich attends the third day of the Republican National Convention at the Tampa Bay Times Forum on August 29, 2012 in Tampa, Florida. Former Massachusetts Gov. Former Massachusetts Gov. Mitt Romney was nominated as the Republican presidential candidate during the RNC, which is scheduled to conclude August 30. (Photo by Scott Olson/Getty Images)
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![スコット・ウォーカー ウィスコンシン州知事（共和党）]()
WEST ALLIS, WI - NOVEMBER 4: Wisconsin Gov. Scott Walker greets supporters at his election night party November 4, 2014 in West Allis, Wisconsin. Walker defeated Democratic challenger Mary Burke. (Photo by Darren Hauck/Getty Images)
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![カーリー・フィオリナ氏（共和党）]()
Republican presidential candidate Carly Fiorina speaks during a campaign event at Iowa State University, Saturday, Jan. 30, 2016, in Ames, Iowa. (AP Photo/Mary Altaffer)
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![ポール・ライアン 下院議員（共和党）]()
U.S. Representative Paul Ryan, a Wisconsin Republican, speaks after a Bloomberg Television interview in New York, U.S., on Wednesday, Aug. 20, 2014. Ryan said he'd support more aggressive bombings in the Middle East to fight Islamic State militants after the beheading of a U.S. journalist. Photographer: Scott Eells/Bloomberg via Getty Images
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![ボビー・ジンダル ルイジアナ州知事（共和党）]()
Bobby Jindal, governor of Louisiana, speaks during the Conservative Political Action Conference (CPAC) in National Harbor, Maryland, U.S., on Thursday, March 6, 2014. CPAC, a project of the American Conservative Union (ACU), runs until Saturday, March 8. Photographer: Andrew Harrer/Bloomberg via Getty Images
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![リック・ペリー テキサス州知事（共和党）]()
AUSTIN, TX - NOVEMBER 4: Texas Gov. Rick Perry speaks during the victory party for Texas Attorney General and Republican gubernatorial candidate Greg Abbott after an apparent victory over Democratic Sen. Wendy Davis on November 4, 2014 in Austin, Texas. Republicans won the majority of the US Senate for the first time in 8 years after Americans went to the polls and voted in the mid-term elections. (Photo by Erich Schlegel/Getty Images)
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![マイク・ペンス インディアナ州知事（共和党）]()
UNITED STATES - JUNE 03: Rep. Mike Pence, R-Ind., addresses the Faith and Freedom Coalition second annual conference and strategy briefing held at the Marriott Renaissance Hotel. (Photo By Tom Williams/Roll Call)
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![リック・サントラム氏（共和党）]()
Republican presidential candidate, former Pennsylvania Sen. Rick Santorum looks at his target during a campaign stop at the Central Impact Shooting Range, Saturday, Jan. 30, 2016 in Boone, Iowa. (AP Photo/Chris Carlson)
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![ジム・ギルモア氏（共和党）]()
Jim Gilmore makes a point during a Republican presidential primary debate, Thursday, Jan. 28, 2016, in Des Moines, Iowa. (AP Photo/Chris Carlson)
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![マイケル・ブルームバーグ 元ニューヨーク市長（無所属？）]()
Former New York City Mayor Michael Bloomberg speaks during a ground breaking ceremony for Cornell Tech on Roosevelt Island in New York, Tuesday, June 16, 2015. Bloomberg's charity foundation, Bloomberg Philanthropies, is donating $100 million to Cornell University for the new high-tech graduate school campus. (AP Photo/Seth Wenig)