You may find that interesting, but unfortunately, it isn't true. Abercrombie never said he couldn't find the long form. His predecessor, in fact, explictly said it was where it is supposed to be.
Abercrombie later said, according to his friend radio personality Mike Evans, that the document doesn’t exist and expressed concern that the controversy will be a major issue for Obama during his planned 2012 presidential re-election campaign.
http://www.wnd.com/index.php?fa=PAGE.view&pageId=258637