Yahoo! News: In this Aug. 25, 2008 file photo, Sen. Joe Biden...

Summary: p In this Aug. 25, 2008 file photo, Sen. Joe Biden,D-Del., left, the vice presidential half of the soon-to-be-official Democratic ticket, and his wife Jill Biden, right, made a surprise appearance at the Amtrak train station in Wilmington, Del., he has used for years to commute to his day job in the U.S. Senate. /p

Image Dimensions: 409 x 398