[curiosity]

The information is accredited to the U.S. State Department, however no link is given

Of course there's no link to a source. Some birther obviously made it up, as usual.

[patlin]

It came out of a book called “The Obama Timeline” written by a Chicagoan who had been following Obama’s rise in the Chicago scene since he 1st landed there.

[LorenC]

I've gotta be quick, but the source for that quote is actually this page, a 2000 report from the State Department. Of course, it's describing the law as of 2000, not the late 1960s, and this 2001 site for expats paints a somewhat more lenient picture for foreign children.