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Republican presidential hopeful Donald Trump speaks at his South Carolina campaign kickoff rally in Bluffton, S.C., Tuesday, July 21, 2015.  (AP Photo/Stephen B. Morton)
Republican presidential hopeful Donald Trump speaks at his South Carolina campaign kickoff rally in Bluffton, S.C., Tuesday, July 21, 2015.  (AP Photo/Stephen B. Morton)

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    Trump: No debate coach needed

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Trump: No debate coach needed

John King, Sara Murray & Ed O'Keefe speculate how Donald Trump will perform in the first presidential debate and what it means to candidates on the bubble.

Trump: No debate coach needed

John King, Sara Murray & Ed O'Keefe speculate how Donald Trump will perform in the first presidential debate and what it means to candidates on the bubble.