Irrelevant.
altair ~ Embassies and foreign military bases are considered US soil for purposes of law enforcement[1]. I've read that McCain was born in a military base hospital.
He was born in Colón. Colón is now and always has been in Panama. Like West Berlin, surrounded by East Germany, it was surrounded by the Canal Zone, but never part of it.
The McCain birth certificate, one long form, one short, are likely as fake as B.H.O.'s COLB.