[Non-Sequitur]

How can they not be? Someone born with citizenship from two country's can be a Natural Born Citizen of the US?

In the Elg case the court ruled that the fact that she held U.S. and Swedish citizenship did not impact her status as a natural-born U.S. citizen.

If you where born on the soil of the US (whether a state or a territory) AND your parents were citizens (either NBC themselves, Article 14 or Naturalized) at that time of your birth, you would not have been subject to the laws and/or privileges of a foreign country by way of being a citizen/subject of that foreign country.

Then are you saying McCain is not a natural-born citizen since he was not born on the soil of the U.S.?

[rxsid]

"Then are you saying McCain is not a natural-born citizen since he was not born on the soil of the U.S.? "

If I'm not mistaken, McCain was not born on the soil of the U.S. and therefore would not be considered an NBC of the US.

[Seizethecarp]

“In the Elg case the court ruled that the fact that she held U.S. and Swedish citizenship did not impact her status as a natural-born U.S. citizen.”

Elg was not a dual citizen at birth. Elg was expatriated to Sweden as a minor by her naturalized US citizen parents. SCOTUS ruled that this expatriation did not negate Elg’s unitary NBC status at birth. Only Elg, herself, by her own action after achieving majority could negate her US citizenship.