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FILE - In this May 1, 2011 image released by the White House and digitally altered by the source to obscure the details of a document on the table, President Barack Obama, second from left, Vice President Joe Biden, left, Secretary of Defense Robert Gates, right, Secretary of State Hillary Rodham Clinton, second right, and members of the national security team watch an update on the mission against Osama bin Laden in the Situation Room of the White House in Washington. A new book due out Tuesday, Oct. 16, 2012 says the president hoped to put Osama bin Laden on trial if he had surrendered during a U.S. raid. Author Mark Bowden quotes Obama as saying he thought he could make a strong political argument for giving bin Laden the full rights of a criminal defendant, to show U.S. justice applies even to him. In "The Finish," Bowden writes, however, that Obama said he expected the terror leader to go down fighting. (AP Photo/The White House, Pete Souza)

Vice President Joe Biden

Vice President Joe Biden on the 2012 campaign trail.