William Thomas Cain
PHILADELPHIA - JANUARY 17: U.S. President-elect Barack Obama addresses a gathering of supporters before embarking on a whistle-stop train trip to Washington beginning at the 30th Street Station on January 17, 2009 in Philadelphia, Pennsylvania. Obama will travel by train from Philadelphia to Washington with a stop in Wilmington, Delaware, to pick up Vice President-elect Joe Biden, going forward to Baltimore, Maryland before ending the trip in the nation's capitol. Former President Abraham Lincoln also took a pre-inaugural whistle-stop tour in 1861. (Photo by William Thomas Cain/Getty Images)
