There is no evidence that Stanley Ann Dunham was his mother, according to Zullo. She showed up in Hawaii in 1963 after she had changed her name to Ann Dunham Obama in January.
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It wouldn’t matter who 0bama’s mom (or dad) was.
Barry Soetoro = Barack Hussein Obama, and Barry Soetoro has an immigration file.
http://www.freerepublic.com/focus/bloggers/2723118/posts?page=1491#1491
And
http://www.freerepublic.com/focus/bloggers/3511021/posts?page=93#93