[jkkramer]

I read about a condition recently that was like the opposite of autism: people with it were extremely socially adept. Sounds like this kid has it.

Can't find a link at the moment; maybe someone else has read about it?

[Darmani]

Williams Syndrome.

One of its major symptoms is also mental retardation; while the article didn't delve too much into that sector, not mentioning mental retardation is a bit of a glaring omission.