Republican presidential hopeful businessman Donald Trump speaks to the press following a rally on July 25, 2015 in Oskaloosa, Iowa.
What is it like to fight with Donald Trump?
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Rosie O'Donnell, Seth Myers and Cher have all had their own feud with Donald Trump. CNN's Randi Kaye has the details.
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Republican presidential hopeful businessman Donald Trump speaks to the press following a rally on July 25, 2015 in Oskaloosa, Iowa.
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Former Democratic US Presidential candidate Hillary Clinton speaks to staff and supporters at the New Yorker hotel after her defeat in the presidential election November 9, 2016 in New York. / AFP / Brendan Smialowski (Photo credit should read BRENDAN SMIALOWSKI/AFP/Getty Images)
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LYNDEN, WA - MAY 07: Republican presidential candidate Donald Trump gives a speech during a rally at the The Northwest Washington Fair and Event Center on May 7, 2016 in Lynden, Washington. Trump became the Republican presumptive nominee following his landslide win in Indiana on Tuesday. (Photo by Matt Mills McKnight/Getty Images)
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