I'm also not one to push too hard on the "natural born/father was a British Subject" issue (although it's legit) but I do want to know what the man is hiding. The longer and more forcefully he continues to hide those details, the more strongly I feel the need to know what it is that's so important.
“tacit admission”: acquiescence and endurance, when acts are done by another, which if wrongfully done, are encroachments, and call for resistance and opposition, are evidence, as a tacit admission that such acts could not be legally resisted.
We, Obama’s political enemies, have accused him of being a liar and a fraud. He remains silent.
By making no response, he has made a tacit admission. As long as he remains silent, when he could say, “Here is the proof” he continues to admit our allegations of lawlessness and oath breaking on his part.
If he ever does respond, with or without proof, he can supply an apology as well for wasting millions of tax dollars, with or without his resignation.