CLEVELAND, OH - JULY 21:  Republican presidential candidate Donald Trump (L) and his daughter Ivanka Trump (R) work with campaign manager Paul Manafort (2nd R) while testing the teleprompters and microphones on stage before the start of the fourth day of the Republican National Convention on July 21, 2016 at the Quicken Loans Arena in Cleveland, Ohio. Ivanka will introduce her father before he gives his acceptance speech tonight, the final night of the convention.  (Photo by Chip Somodevilla/Getty Images)