Joe Biden

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New York Yankees pitchers Joba Chanberlain, left, Mariano Rivera, center, and CC Sabathia, right, chat with Vice President Joe Biden who showed up during a team practice before the Yankees spring training baseball game against the Toronto Blue Jays at Steinbrenner Field in Tampa, Fla., Wednesday, March 23, 2011. (AP Photo/Kathy Willens)

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Chinese President Hu Jintao, left, and Vice President Joe Biden stand for the national anthems of both countries during an arrival ceremony on Tuesday, Jan. 18, 2011, at Andrews Air Force Base, Md. (AP Photo/Evan Vucci)

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Chinese President Hu Jintao, accompanied Vice President Biden, waves Tuesday during an arrival ceremony at Andrews Air Force Base, Md. (Associated Press)

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President Barack Obama, followed by, from second from left, Gen. David Petraeus, Defense Secretary Robert Gates, Vice President Joe Biden, and Joint Chiefs Chairman Adm. Michael Mullen, walks to the Rose Garden of the White House in Washington, Wednesday, June 23, 2010, to announce that Petraeus would replace Gen. Stanley McChrystal. (AP Photo/Charles Dharapak)

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** FILE ** In this Nov. 19, 2010, file photo, Vice President Joe Biden gestures while speaking at the South Court Auditorium at the White House in Washington. Biden said on Friday, Dec. 24, 2010, that the country is evolving on the issue of gay marriage and he thinks it's inevitable there will be national consensus. (AP Photo/Susan Walsh, File)

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President Barack Obama and Vice President Joe Biden tour Chrysler's Indiana Transmission Plant II in Kokomo, Ind., Tuesday, Nov. 23, 2010. (AP Photo/J. Scott Applewhite)

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President Barack Obama is met by Vice President Joe Biden upon his arrival at Grissom Air Reserve Base, Ind., Tuesday, Nov. 23, 2010, on the way to nearby Kokomo where they will tour Chrysler's Indiana Transmission Plant. (AP Photo/J. Scott Applewhite)

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President Barack Obama and Vice President Joe Biden, right, eat lunch during a visit with firefighters in downtown Kokomo, Ind., Tuesday, Nov. 23, 2010. (AP Photo/J. Scott Applewhite)

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President Barack Obama and Vice President Joe Biden tour Chrysler's Indiana Transmission Plant II in Kokomo, Ind., Tuesday, Nov. 23, 2010. (AP Photo/J. Scott Applewhite)

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Vice President Joe Biden speaks while President Barack Obama reacts at the Chrysler Indiana Transmission Plant II in Kokomo, Ind., Tuesday, Nov. 23, 2010. (AP Photo/Darron Cummings)

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President Barack Obama, center, speaks as Vice President Joe Biden, left, and Treasury Secretary Timothy Geithner, right, listen during a new conference on the economy in the Rose Garden of the White House in Washington, Wednesday, Sept., 15, 2010. (AP Photo/Pablo Martinez Monsivais)

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Vice President Joe Biden shakes hands with Democratic National Committee Chairman Tim Kaine during the summer meeting of the Democratic National Committee, Friday, Aug. 20, 2010, in St. Louis. (AP Photo/Jeff Roberson)

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Vice President Joe Biden gestures while addressing the summer meeting for the Democratic National Committee, Friday, Aug. 20, 2010, in St. Louis. (AP Photo/Jeff Roberson)

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Vice President Joe Biden speaks during funeral services for former U.S. Sen. Ted Stevens at the Anchorage Baptist Temple Wednesday, Aug. 18, 2010, in Anchorage, Alaska. (AP Photo/Rick Bowmer)

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Vice President Joe Biden embraces Catherine Stevens after he spoke during her husband's funeral service at the Anchorage Baptist Temple in Anchorage on Wednesday, Aug. 18, 2010. (AP Photo/Erik Hill - Anchorage Daily News)

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Vice President Joe Biden shakes hand with plane crash survivior Kevin O'Keefe during funeral services for former U.S. Sen. Ted Stevens at the Anchorage Baptist Temple Wednesday, Aug. 18, 2010, in Anchorage, Alaska. (AP Photo/Rick Bowmer)

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U.S. President Barack Obama signs the Dodd-Frank Wall Street Reform and Consumer Protection Act before (L-R) Vice President Joe Biden, Speaker of the House Nancy Pelosi (D-CA), Senate Majority Leader Harry Reid (D-NV), Rep. Maxine Waters (D-CA), Sen. Chris Dodd (D-CT) and Rep. Barney Frank (D-MA) at the Ronald Reagan Building July 21, 2010 in Washington, DC. The bill is the strongest financial reform legislation since the Great Depression and also creates a consumer protection bureau that oversees banks on mortgage lending and credit card practices UPI/Win McNamee/Pool