[Tau Food]

Well, possibly, but keep in mind that mom and dad are dead. It won't be easy and if we've learned anything from these questions about Obama's qualifications, there is always a basis for another question about any fact that you might think you've established.

[ROCKLOBSTER]

Well, there are still Obama side family members living, and (I think) Obama’s sister.

Of course getting that DNA would require Horatio Caine or Sidney Bristow.