Hillary Rodham Clinton

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National Edition News cover for June 26, 2014 - Hillary’s jobs plan sponsors have history of enriching Bill: FILE - This June 16, 2014 file photo shows former Secretary of State Hillary Rodham Clinton reacting to a customer at a signing for her new book "Hard Choices," at Harvard Book Store in Cambridge, Mass. Clinton’s “Hard Choices” sold well enough during its first week to make it among the year’s most popular nonfiction books. But its opening was also far slower than that for her previous memoir, "Living History." According to Simon & Schuster, "Hard Choices" has sold more than 100,000 copies since coming out June 10. By comparison, first week sales in 2003 for “Living History” were around 600,000 copies. (AP Photo/Steven Senne, File)

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Easy Choices: Former President Bill Clinton and Hillary Rodham Clinton have developed relationships with philanthropic and corporate interests that sometimes intertwine with their political ambitions. (Associated Press Photographs)

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Former Secretary of State Hillary Rodham Clinton laughs at a remark by Vice President Joe Biden as they wait for the start of a press statement by President Barack Obama and Egyptian President Hosni Mubarak in the Oval Office Aug. 18, 2009. (Official White House Photo by Lawrence Jackson) ** FILE **

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Former Secretary of State Hillary Rodham Clinton speaks about her new book "Hard Choices" on Friday, June 20, 2014, in Austin, Texas. (AP Photo/Eric Gay)