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NEW YORK, NY - NOVEMBER 09:  Vice president-elect Mike Pence and Republican president-elect Donald Trump shake hands during his election night event at the New York Hilton Midtown in the early morning hours of November 9, 2016 in New York City. Donald Trump defeated Democratic presidential nominee Hillary Clinton to become the 45th president of the United States.  (Photo by Mark Wilson/Getty Images)
NEW YORK, NY - NOVEMBER 09:  Vice president-elect Mike Pence and Republican president-elect Donald Trump shake hands during his election night event at the New York Hilton Midtown in the early morning hours of November 9, 2016 in New York City. Donald Trump defeated Democratic presidential nominee Hillary Clinton to become the 45th president of the United States.  (Photo by Mark Wilson/Getty Images)

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    Trump transition effort starts with leadership shake-up

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Trump transition effort starts with leadership shake-up

As the Trump transition effort begins in earnest, Vice President-elect Mike Pence has taken over control of the initiative, replacing New Jersey Governor Chris Christie. CNN's Jim Acosta reports.

Trump transition effort starts with leadership shake-up

As the Trump transition effort begins in earnest, Vice President-elect Mike Pence has taken over control of the initiative, replacing New Jersey Governor Chris Christie. CNN's Jim Acosta reports.