He may have never had enough legitimate signatures to make the 2008 ballot.

http://www.foxnews.com/politics/2013...etition-fraud/

Trial begins for officials accused in Obama, Clinton ballot petition fraud

The trial is underway for a former Democratic official and a Board of Elections worker who are accused of being part of a plot that has raised questions over whether President Obama's campaign -- when he was a candidate in 2008 -- submitted enough legitimate signatures to have legally qualified for the presidential primary ballot.

The two face charges of orchestrating an illegal scheme to fake the petitions that enabled then-candidates Obama, and Hillary Clinton, to qualify for the race in Indiana......
I have always had a suspicion that Bambam stole the nomination.