Sen. Joe Biden Through the Years

Obama's VP pick, a senator since 1972, has lived a life in the public eye.

Sen. Joe Biden's Life and Times

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Democratic presidential candidate Sen. Barack Obama, D-Ill., and his vice presidential running mate Sen. Joe Biden, D-Del., wave to supporters outside the Old State Capitol on Saturday, Aug. 23, 2008, in Springfield, Ill., Obama introduced Biden as his running mate at the event. (AP Photo/Jeff Roberson)
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