Obviously, Obama didn't denounce or revoke his U.S. citizenship, which means it is impossible for him to have Indonesian dual nationality. He also never met the minimum residency requirement (minimum 5 continuous years - Obama only lived in the country for four years).

There is a residency requirement for Kenya, too. You must live in the country continuously for four year (Obama never lived there). The person must also formally apply for Kenyan citizenship at age 21.

First off, he's a politician, THAT is reason enough to doubt his loyalty to the AMERICAN PEOPLE.

Second, the Constitution says he must be a US CITIZEN. It mentions not whether an individual is trustworthy. US CITIZEN. Period. If we are to remain a Republic, we MUST follow our own laws. Not continually reason why its ok to bend it a little. Bending a little leads to bending a little bit more next time, and a little bit more, a little bit more...until there really is NO law. Which is EXACTLY why our country has gotten itself into such a mess.

Does Panama give automatic citizenship to children born in Panama? Google had failed me on this question.

McCain was born in the Panama Canal Zone, not in Panama proper AT THE TIME. You would have to research the stacks of treaties on The Zone, not on Panama, to determine the citizenship status. I expect if it is anything like the various post-WW II military Status of Forces Agreements (SOFA) the children of military and diplomatic personnel are not considered citizens of the country of birth. I expect in the Zone this also covers all US citizens, but in other places it would only apply to military and diplomatic personnel.

There are lots of gray areas here. If the Chinese Ambassador has a child in the US, is that child a US citizen? I think one of the Vienna Diplomatic Conventions says no, but some would argue the US Constitution says yes.

Whether Obama is actually a citizen of Kenya and/or Indonesia is interesting but ultimately irrelevant.

If he had obtained passports from another country, it could have implications for his obtaining a security clearance, but there’s no reason to think this is the case. (And, indeed, one presumes any such restrictions would be inapplicable to him in any case were he elected president.)

If, and I recognize this is an if at this point, he has done something that would 'have implications' for him obtaining a security clearance, why wouldn't that be relevant to whether he should be elected. Either the rules on security clearance should be changed or his transgressing those rules is relevant to the question of whether B.O. should be trusted as president.

As for voting, in much of Europe if you are legal resident in a country (but not a citizen) you can vote in the local elections (mayor and local tax rates) but not in the national elections.

I have seen a service member have to formally renounce a dual citizenship to get high level security clearances (in this case it was Canadian).