[patlin]

Except America doesn’t recognize paternal citizenship as a binding obligation...

But the British Nationality Act of 1948 that governed the status of Obama Sr’s children did at the time, therefore Obama was British 1st and American 2nd.

[Kleon]

But the British Nationality Act of 1948 that governed the status of Obama Sr’s children did at the time, therefore Obama was British 1st and American 2nd.

Maybe to the British, but in terms U.S. law, that doesn't matter at all.

[PugetSoundSoldier]

But the British Nationality Act of 1948 that governed the status of Obama Sr’s children did at the time, therefore Obama was British 1st and American 2nd.

If Venezuelan law was changed to recognize everyone born on US soil as a Venezuelan citizen as well, would that eliminate everyone from NBC status?

What another nation claims is immaterial over what the US claims. We do not recognize another nation's claim on our citizens. If we do, then we open ourselves to claims such as the hypothetical Venezuelan situation.