“When Barack Obama Jr. was born on Aug. 4, 1961, in Honolulu, Kenya was a British colony, still part of the United Kingdom’s dwindling empire. As a Kenyan native, Barack Obama Sr. was a British subject whose citizenship status was governed by The British Nationality Act of 1948. That same act governed the status of Obama Sr.’s children. Since Sen. Obama has neither renounced his U.S. citizenship nor sworn an oath of allegiance to Kenya, his Kenyan citizenship automatically expired on Aug. 4, 1982. “
(FactCheck.org, as quoted in Obama’s “Fight the Smears” webpage regarding his birth certificate, emphasis added).
The country where a dual national is located generally has a stronger claim to that person’s allegiance.
However, dual nationals owe allegiance to both the United States and the foreign country. They are required to obey the laws of both countries. Either country has the right to enforce its laws, particularly if the person later travels there.Most U.S. citizens, including dual nationals, must use a U.S. passport to enter and leave the United States. Dual nationals may also be required by the foreign country to use its passport to enter and leave that country. Use of the foreign passport does not endanger U.S. citizenship.Most countries permit a person to renounce or otherwise lose citizenship.
http://travel.state.gov/travel/cis_pa_tw/cis/cis_1753.html
United States Attorney General, George Williams, whom was a U.S. Senator aligned with Radical Republicans during the drafting of the Fourteenth Amendment in 1866, ruled in 1873 the word “jurisdiction” under the Fourteenth Amendment “must be understood to mean absolute and complete jurisdiction, such as the United States had over its citizens before the adoption of this amendment.” He added, “Political and military rights and duties” do not pertain to anyone else.
http://federalistblog.us/2008/11/natural-born_citizen_defined.html
What say ye now?
“The country where a dual national is located generally has a stronger claim to that person’s allegiance.”
That statement has zero bearing on actual US law on citizenship and nationality.