Barak Obama from the Columbia Encyclopedia
Barak Obama form Wikipedia
Cabinet Members under President Barak Obama from infoplease.com
Tracing the Disparate Treads in Obama's Political Philosophy by Micheal Powell, NY TImes 8/24/2008
Political positions of Barak Obama from Wikipedia (while Wikipedia is not considered a scholarly source it does provide background and can help you find topics to use in other sources)
