It has been. Not this specific reference, but many others that show beyond a doubt that NBC = born in country to citizen parents, by folks like bushpilot1, many many other FReepers as well as a number of the eligibility attorney's for about 2 years now.
The main issue is finding a court with the guts to take on this unprecedented Constitutional crisis. Or, a Congress with the guts to launch an investigation into his secretive background.
Great job BP1.
Also, I'm not a lawyer, but it appears that supposed short form provided by the Obama camp still disqualifies him from the office, and since it is an admission against interest by him it could be accepted into evidence against him regardless of its authenticity.