Updated 04/20/2008 09:42 AM
Obama goes door to door in PA
PENNSYLVANIA -- As the Pennsylvania Democratic primary approaches, Senator Barack Obama makes a last ditch effort to garner more votes.
On Saturday, Obama spent his day in Philadelphia going door to door introducing himself to families there. Obama hopes to visit several towns across the state as part of his "On Track for Change Tour."
Although polls currently show Hillary Clinton with a slight lead in Pennsylvania, Obama still has more delegates overall.
To view our videos, you need to
enable JavaScript. Learn how.
install Adobe Flash 9 or above. Install now.
Then come back here and refresh the page.
Pennsylvania is a crucial primary as it's the last state with a large number of delegates at stake.