[WildHighlander57]

I recall they used his DNA to track his forebears through his MOM’s line and came up with that guy who was a slave (can’t remember the name just now)

They prolly could check the other side of the family that way also.

[Brown Deer]

I recall they used his DNA to track his forebears...

not true.

[Fred Nerks]

Unless they exhumed someone buried 300 years ago, there was no DNA. When you make statements like that, I think it’s fair to ask you to supply a link, it wasn’t that hard to find:

http://news.discovery.com/human/obama-descended-from-first-slave-dnews-nuggets-120731.html

“...”The greatest obstacle was the volume of records that had been lost or destroyed over the last three hundred plus years. The researchers had to use clues to cobble together some of the facts... Through these deductions genealogists were able to trace the president’s lineage to a Caucasian family in revolutionary Virginia named Bunch,” reported CNN. As names in this time were not standardized in spelling the Bunch family was likely related to John Punch one of 150 Africans living in pre-revolutionary Virginia...”

BUNCH. PUNCH. SO WHAT’S IN A NAME?