YOU ARE CORRECT -- there are NO GROUNDS.If everything were as "undeniable" as you say then there would bo no grounds for any lawsuits.
"Appellants' contention [is] that “the original common law definition of an Article II ‘natural born Citizen’ is a child born in the country to a United States citizen mother and father.” Appellants' Br. at 18."
“This court employs an objective standard to determine whether or not an appeal is frivolous” which “focuses on the merits of the appeal regardless of good or bad faith.” Hilmon Co. v. Hyatt Int'l, 899 F.2d 250, 253 (3d Cir.1990)(internal quotation omitted). We have stated that “an appeal from a frivolous claim is likewise frivolous.” Beam, 383 F.3d at 108. Appellants had ample notice that this appeal had no merit. They should have been aware that we rejected almost identical claims in Berg, as have courts in other jurisdictions."
Kerchner v. Obama (2010) in which ALL "birther" claims were REJECTED as devoid of any legal or factual merit.