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WASHINGTON, DC - JANUARY 3: U.S. Sen. Kamala Harris (D-CA) participates in a reenacted swearing-in with U.S. Vice President Joe Biden in the Old Senate Chamber at the U.S. Capitol January 3, 2017 in Washington, DC. Earlier in the day Biden swore in the newly elected and returning members on the Senate floor. (Photo by Aaron P. Bernstein/Getty Images)

WASHINGTON, DC - JANUARY 3: U.S. Sen. Kamala Harris (D-CA) participates in a reenacted swearing-in with U.S. Vice President Joe Biden in the Old Senate Chamber at the U.S. Capitol January 3, 2017 in Washington, DC. Earlier in the day Biden swore in the newly elected and returning members on the Senate floor. (Photo by Aaron P. Bernstein/Getty Images)