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UNITED STATES - JANUARY 29: U.S. Vice President Joseh Biden, left, and Secretary of State Hillary Clinton share a laugh during a signing ceremony for the Lilly Ledbetter Fair Pay Restoration Act in the East Room of the White House in Washington, D.C., U.S., on Thursday, Jan. 29, 2009. U.S. President Barack Obama, signing the first legislation of his presidency, made it easier for U.S. workers to win pay-discrimination lawsuits. (Photo by Mannie Garcia/Bloomberg via Getty Images)

UNITED STATES - JANUARY 29:  U.S. Vice President Joseh Biden, left, and Secretary of State Hillary Clinton share a laugh during a signing ceremony for the Lilly Ledbetter Fair Pay Restoration Act in the East Room of the White House in Washington, D.C., U.S., on Thursday, Jan. 29, 2009. U.S. President Barack Obama, signing the first legislation of his presidency, made it easier for U.S. workers to win pay-discrimination lawsuits.  (Photo by Mannie Garcia/Bloomberg via Getty Images)