Family Op asked you a valid question. What was your source for those allegations? If you present allegations then you should be able to back them up with valid evidence. Asking you for your sources is in no way a trick question.
No, he didn’t admit that those items are legit, and they’re readily available for anyone who wishes to look for them.
Here’s more:
http://www.hotr.us/mccain/mccainagain.html