CIA has a warehouse full of paper materials and typewriters from the '60's (any 20th century stock paper for that matter) and can knock out a paper birth forgery for Obama and just might do it. However the microfilm containing the birth record would settle the issue according to Mike Zullo, Cold Case Posse lead investigator for Sheriff Joe Arpaio.
link:http://www.youtube.com/watch?v=IiTFfrm5jvY&feature=player_embedded#!
Sheriff Joe's Cold Case Posse Commander Responds to The CNN Hit Piece On Donald Trump