(Left to right) Ruben Kihuen, Democratic candidate for Nevada's 4th Congressional district, Stephanie Murphy, Democratic candidate for Florida's 7th congressional district, and LuAnn Bennett, Democratic House candidate in Virginia's 10th district. Bill Clark, Thomas McKinless, Al Drago/CQ Roll Call/Getty Images hide caption

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Bill Clark, Thomas McKinless, Al Drago/CQ Roll Call/Getty Images

A poll worker organizes "I Voted Today" stickers at the Francis Myers Recreation Center polling location in Philadelphia, Pa., on April 26. Andrew Harrer/Bloomberg via Getty Images hide caption

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Andrew Harrer/Bloomberg via Getty Images

Can Pro-Trump Poll Watchers Disrupt Voting In Pennsylvania?

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Republican presidential nominee Donald Trump released his medical records during a taping of The Dr. Oz Show with host Dr. Mehmet Oz, set to air Thursday. Sony Pictures Television hide caption

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Sony Pictures Television

Pence and his wife, Karen, leave a meeting with Trump in New York on Friday. Evan Vucci/AP hide caption

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Evan Vucci/AP

Meet Mike Pence, 'Midwestern Polite' With An Unrelenting Conservative Message

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Workers prepare a camera platform inside Quicken Loans Arena in preparation for the Republican National Convention on Tuesday, June 28, 2016, in Cleveland. Mark Gillispie/AP hide caption

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Mark Gillispie/AP

House Speaker Paul Ryan of Wisconsin meets with reporters on Capitol Hill in Washington on Thursday after his meeting with Republican presidential candidate Donald Trump. Cliff Owen/AP hide caption

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Cliff Owen/AP

A Facebook official said the company has found no evidence to back up allegations that company contractors suppressed stories of interest to conservatives in its trending topics section. Jeff Chiu/AP hide caption

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Jeff Chiu/AP

Republican Ted Cruz makes a campaign stop at the Bravo Cafe Monday in Osceola, Ind. The Hoosier State might be Cruz's last chance to stop Donald Trump from getting the nomination. Joe Raedle/Getty Images hide caption

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Donald Trump speaks at Fountain Park during a campaign rally on March 19, 2016 in Fountain Hills, Ariz. Ralph Freso/Getty Images hide caption

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Ralph Freso/Getty Images

Young Republicans Ponder Trump's Lasting Impact On The GOP

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Jeb Bush holds a campaign town hall meeting at the Alpine Club on Monday in Manchester, N.H. Chip Somodevilla/Getty Images hide caption

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Chip Somodevilla/Getty Images

Heading Into New Hampshire, GOP 'Front-Runners' Are Anything But

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