Republican Presidential Candidate Donald Trump Appears With His Vice Presidential Candidate Pick Indiana Gov. Mike Pence [Getty Images]

NEW YORK, NY - JULY 16: Republican presidential candidate Donald Trump speaks before introducing his newly selected vice presidential running mate Mike Pence, governor of Indiana, during an event at the Hilton Midtown Hotel, July 16, 2016 in New York City. On Friday, Trump announced on Twitter that he chose Pence to be his running mate. (Photo by Drew Angerer/Getty Images)

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