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Joe Biden
  • Democratic presidential nominee Sen. Barack Obama addresses supporters at a rally in Greensboro, North Carolina, on Saturday, September 27, 2008. Democratic vice-presidential nominee Sen. Joe Biden was also in attendance. (Photo by Corey Lowenstein/Raleigh News & Observer/Tribune News Service via Getty Images)
  • Sen. Joe Biden (D-DE), Chairman of the Senate Foreign Relations Committee, walks with Bono to a meeting with the committee on Capitol Hill in Washington, D.C., October, 3 2007. (Photo by Chuck Kennedy/MCT/Tribune News Service via Getty Images)
  • Democratic presidential candidate U.S. Sen. Joe Biden (D-Del.) speaks during a campaign stop in Knoxville, Iowa, on Tuesday, January 1, 2008. (Photo by Chuck Kennedy/MCT/Tribune News Service via Getty Images)
  • Democratic presidential nominee Sen. Barack Obama, left, and Sen. Joe Biden (D-Del.), right, take the stage with their wives Michelle Obama, center left, and Jill Biden, center right, at the Old State Capital in Springfield, Illinois, on Saturday, August 23, 2008. Obama has chosen Biden as his vice presidential running mate. (Photo by Nuccio DiNuzzo/Chicago Tribune/Tribune News Service via Getty Images)
  • Democratic presidential nominee Sen. Barack Obama and Sen. Joe Biden (D-Del.) take the stage at the Old State Capital in Springfield, Illinois, on Saturday, August 23, 2008. Obama has chosen Biden as his vice presidential running mate. (Photo by Nuccio DiNuzzo/Chicago Tribune/Tribune News Service via Getty Images)
  • Sen. Joe Biden holds his grandson, Hunter, as he waves to the delegates at the Democratic National Convention in Denver, Colorado, Wednesday, August 27, 2008. (Photo by Brian Baer/Sacramento Bee/Tribune News Service via Getty Images)
  • In this file photo, Democratic presidential candidate Barack Obama joins his running mate, vice presidential candidate Joe Biden, following Biden's acceptance speech at the Democratic National Convention in Denver on August 27, 2008. The impresarios of the Democratic and Republican national conventions are facing the same challenge of how to simulate the look, sound and feel of live performance after they both shifted to virtual conventions. (Brian Baer/Sacramento Bee/Tribune News Service via Getty Images)
  • Democratic Presidential candidate Barack Obama (C), wife Michelle (R) daughters MAlia (C-R) and Sasha (R), and Vice Presidential candidate Joe Biden and wife Jill appear on stage at the end of the Democratic National Convention 2008 at the Invesco Field in Denver, Colorado, on August 28, 2008. The Illinois senator tonight formally accepted his nomination as the first African-American from a major party to run for the White House before more than70,000 people. AFP PHOTO Emmanuel DUNAND (Photo credit should read EMMANUEL DUNAND/AFP via Getty Images)
  • Democratic vice-presidential nominee Sen. Joe Biden delivers remarks at the University of South Florida's Sun Dome, in Tampa, Florida, Wednesday, October 8, 2008. (Photo by Joe Burbank/Orlando Sentinel/Tribune News Service via Getty Images)
  • Democratic vice-presidential nominee Sen. Joe Biden delivers remarks at the University of South Florida's Sun Dome, in Tampa, Florida, Wednesday, October 8, 2008. (Photo by Joe Burbank/Orlando Sentinel/Tribune News Service via Getty Images)