I think Trump must have something else, and Team Obama know it or suspect it. I suspect this is deflection.
This was definately a rope a dope issue. Now he won’t have to show any other records because he will be able to say “look I showed them my birth certificate and they still didn’t believe me. Why should I show anything else.”. He will be getting lots of sympathy from the MSM. They will be talking about what fools the birthers were and trying to associate them with all conservatives and the Teaparty.