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CINCINNATI, OH - DECEMBER 01: President-elect Donald Trump speaks during a stop at U.S. Bank Arena on December 1, 2016 in Cincinnati, Ohio. Trump took time off from selecting the cabinet for his incoming administration to celebrate his victory in the general election.  (Photo by Ty Wright/Getty Images)
CINCINNATI, OH - DECEMBER 01: President-elect Donald Trump speaks during a stop at U.S. Bank Arena on December 1, 2016 in Cincinnati, Ohio. Trump took time off from selecting the cabinet for his incoming administration to celebrate his victory in the general election.  (Photo by Ty Wright/Getty Images)

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    How Trump should be using Twitter

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How Trump should be using Twitter

CNN commentator Julian Zelizer says President-elect Donald Trump could be using social media to engage citizens in politics; instead he's inflaming them.

How Trump should be using Twitter

CNN commentator Julian Zelizer says President-elect Donald Trump could be using social media to engage citizens in politics; instead he's inflaming them.