Yellen impresses at confirmation hearing

WASHINGTON, DC - NOVEMBER 14: Nominee for the Federal Reserve Board Chairman Janet Yellen testifies during her confirmation hearing November 14, 2013 on Capitol Hill in Washington, DC. Yellen will be the first woman to head the Federal Reserve if confirmed by the Senate and will succeed Ben Bernanke. (Photo by Alex Wong/Getty Images)

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    Yellen impresses at confirmation hearing

CNN's Richard Quest speaks to Columbia University's Jeffrey Sachs about how Janet Yellen's confirmation hearing went.