Through aggressive fund raising and a grassroots campaign strategy inspired by Howard Dean's 2004 primary run, President Barack Obama's campaign run built extensive support, which led to a mathematically certain lead in both the popular vote and the delegate count for the Democratic nomination during the 2008 Presidential election.
Campaign Funding
Clinton Endorses Obama
On June 7, 2008, Hillary Clinton officially endorsed Obama for president during a speech at the National Building Museum in Washington DC.MSNBC: Clinton ends historic bid, endorses Obama (June 7, 2008)
Quote
"The public financing of presidential elections as it exists today is broken, and we face opponents who've become masters at gaming this broken system."—Barack ObamaBBC: Obama shuns public campaign funds (June 19, 2008)