The most plausible explanation I've read here on FR is that he won't release any information related to his birth certificate because the name on the birth certificate is Barry Soetoro, not Barack Obama. And there's likely evidence suggesting that he's gone by the name Barry Soetoro in many different capacities in his earlier life.
The real issue here isn't whether Obama was born in the U.S. It's whether the jug-eared dope sitting in the White House is really named Barack Obama.
“The most plausible explanation I’ve read here on FR is that he won’t release any information related to his birth certificate because the name on the birth certificate is Barry Soetoro, not Barack Obama.”
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Well, besides being embarrassing, it would disqualify him.