I have, and I can say with confidence that there is no evidence, as in nada, zero, zilch, that Obama ever admitted to not being a natural born citizen during his debate with Keyes in 2004.
I’m not going to do your homework for you.
LucyT, your problem is that you never do your own homework, let alone homework for others.
Let me give you a little tip, LucyT. Next time someone makes a strong claim about something controversial, don't believe it until you've seen evidence to support it. This is especially true if you read the claim on a blog. That will spare you the emabrassment of situations like this one.