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GRAND RAPIDS, MI - DECEMBER 21:  Republican presidential candidate Donald Trump speaks to guests at a campaign rally on December 21, 2015 in Grand Rapids, Michigan. The full-house event was repeatedly interrupted by protestors. Trump continues to lead the most polls in the race for the Republican nomination for president.  (Photo by Scott Olson/Getty Images)
GRAND RAPIDS, MI - DECEMBER 21:  Republican presidential candidate Donald Trump speaks to guests at a campaign rally on December 21, 2015 in Grand Rapids, Michigan. The full-house event was repeatedly interrupted by protestors. Trump continues to lead the most polls in the race for the Republican nomination for president.  (Photo by Scott Olson/Getty Images)

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Donald Trump slams Hillary Clinton on Twitter

GOP presidential candidate Donald Trump has trained his Twitter sights on Hillary Clinton, warning her over her complaints about Trump's rhetoric.

Donald Trump slams Hillary Clinton on Twitter

GOP presidential candidate Donald Trump has trained his Twitter sights on Hillary Clinton, warning her over her complaints about Trump's rhetoric.