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Governor Chris Christie and former Governor Donald DiFrancesco talk at the Reflecting Pool during the September 11 Anniversary Ceremonies at Ground Zero in New York, N.Y. on Sunday, Sept. 11, 2011. (Governor's Office/Tim Larsen)

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Governor Chris Christie, Virginia Samaras Bauer and Port Authority of New York and New Jersey Chairman David Samson talk around the Reflecting Pool during the September 11 Anniversary Ceremonies at Ground Zero in New York, N.Y. on Sunday, Sept. 11, 2011. Ms. Bauer's husband, W. David Bauer, was a bond trader for Cantor Fitzgerald and was killed in the collapse of the World Trade Center on September 11, 2001. (Governor's Office/Tim Larsen)

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President Barack Obama, first lady Michelle Obama, former President George W. Bush, and former first lady Laura Bush arrive at the National September 11 Memorial for a ceremony marking the 10th anniversary of the attacks at World Trade Center. on Sunday, Sept. 11, 2011. (Governor's Office/Tim Larsen)

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President Barack Obama, first lady Michelle Obama, former President George W. Bush, pause for a moment of silence at the National September 11 Memorial for a ceremony marking the 10th anniversary of the attacks at World Trade Center. on Sunday, Sept. 11, 2011. (Governor's Office/Tim Larsen)

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President Barack Obama, first lady Michelle Obama, former President George W. Bush, and former first lady Laura Bush pause for a moment of silence at the National September 11 Memorial for a ceremony marking the 10th anniversary of the attacks at World Trade Center. on Sunday, Sept. 11, 2011. (Governor's Office/Tim Larsen)

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President Barack Obama, first lady Michelle Obama, former President George W. Bush, and former first lady Laura Bush walk along side the Reflecting Pool at the National September 11 Memorial for a ceremony marking the 10th anniversary of the attacks at World Trade Center. on Sunday, Sept. 11, 2011. (Governor's Office/Tim Larsen)

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President Barack Obama, first lady Michelle Obama, former President George W. Bush, former first lady Laura Bush, daughters Barbara Bush and Jenna Hager with husband Henry Hager stop at the Reflecting Pool at the National September 11 Memorial for a ceremony marking the 10th anniversary of the attacks at World Trade Center. on Sunday, Sept. 11, 2011. (Governor's Office/Tim Larsen)

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President Barack Obama, first lady Michelle Obama, former President George W. Bush, former first lady Laura Bush, daughters Barbara Bush and Jenna Hager with husband Henry Hager stop at the Reflecting Pool at the National September 11 Memorial for a ceremony marking the 10th anniversary of the attacks at World Trade Center. on Sunday, Sept. 11, 2011. (Governor's Office/Tim Larsen)

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Former President George W. Bush, former first lady Laura Bush, daughters Barbara Bush and Jenna Hager talk at the Reflecting Pool at the National September 11 Memorial for a ceremony marking the 10th anniversary of the attacks at World Trade Center. on Sunday, Sept. 11, 2011. (Governor's Office/Tim Larsen)

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President Barack Obama speaks at the National September 11 Memorial for a ceremony marking the 10th anniversary of the attacks at World Trade Center. on Sunday, Sept. 11, 2011. (Governor's Office/Tim Larsen)

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President Barack Obama speaks at the National September 11 Memorial for a ceremony marking the 10th anniversary of the attacks at World Trade Center. on Sunday, Sept. 11, 2011. (Governor's Office/Tim Larsen)

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Governor Chris Christie, First Lady Mary Pat Christie and family attends the September 11 Anniversary Ceremonies at Ground Zero in New York, N.Y. on Sunday, Sept. 11, 2011. (Governor's Office/Tim Larsen)

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Former President George W. Bush speaks at the National September 11 Memorial for a ceremony marking the 10th anniversary of the attacks at World Trade Center. on Sunday, Sept. 11, 2011. (Governor's Office/Tim Larsen)

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President Barack Obama, first lady Michelle Obama, former President George W. Bush and former first lady Laura Bush listens while names are read at the National September 11 Memorial for a ceremony marking the 10th anniversary of the attacks at World Trade Center. on Sunday, Sept. 11, 2011. (Governor's Office/Tim Larsen)

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Governor Chris Christie and Secretary of State Hillary Rodham Clinton walk towards the Reflecting Pool at the National September 11 Memorial for a ceremony marking the 10th anniversary of the attacks at World Trade Center. on Sunday, Sept. 11, 2011. (Governor's Office/Tim Larsen)

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First Lady Mary Pat Christie pauses at the Reflecting Pool at the National September 11 Memorial for a ceremony marking the 10th anniversary of the attacks at World Trade Center. on Sunday, Sept. 11, 2011. (Governor's Office/Tim Larsen)

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Governor Chris Christie and First Lady Mary Pat Christie pause at the Reflecting Pool at the National September 11 Memorial for a ceremony marking the 10th anniversary of the attacks at World Trade Center. on Sunday, Sept. 11, 2011. (Governor's Office/Tim Larsen)

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Governor Chris Christie and Secretary of State Hillary Rodham Clinton stop at the Reflecting Pool at the National September 11 Memorial for a ceremony marking the 10th anniversary of the attacks at World Trade Center. on Sunday, Sept. 11, 2011. (Governor's Office/Tim Larsen)

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Governor Chris Christie talks with Congressman Jerrold Nadler, House Minority Leader Nancy Pelosi and American Federation of Teachers President Randi Weingarten during the September 11 Anniversary Ceremonies at Ground Zero in New York, N.Y. on Sunday, Sept. 11, 2011. (Governor's Office/Tim Larsen)

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Patrick Christie and Bridget Christie look at the Reflecting Pool during the September 11 Anniversary Ceremonies at Ground Zero in New York, N.Y. on Sunday, Sept. 11, 2011. (Governor's Office/Tim Larsen)

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Governor Chris Christie talks son Patrick Christie around the Reflecting Pool at the September 11 Anniversary Ceremonies at Ground Zero in New York, N.Y. on Sunday, Sept. 11, 2011. (Governor's Office/Tim Larsen)

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Governor Chris Christie speaks with First Lady Mary Pat Christie at his side during the September 11 Anniversary Ceremonies at Ground Zero in New York, N.Y. on Sunday, Sept. 11, 2011. (Governor's Office/Tim Larsen)

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Governor Chris Christie speaks with First Lady Mary Pat Christie at his side during the September 11 Anniversary Ceremonies at Ground Zero in New York, N.Y. on Sunday, Sept. 11, 2011. (Governor's Office/Tim Larsen)

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The Reflecting Pools seen from the World Trade Center during September 11 Anniversary Ceremonies at Ground Zero in New York, N.Y. on Sunday, Sept. 11, 2011. (Governor's Office/Tim Larsen)

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The Reflecting Pools seen from the World Trade Center during September 11 Anniversary Ceremonies at Ground Zero in New York, N.Y. on Sunday, Sept. 11, 2011. (Governor's Office/Tim Larsen)