Thank's Warren Platts.

I had not listened to the Call In portion.

So I learned something new.

I, too, had thought that a black hole, if created, would fall (eventually) to the center of the Earth.
I was not aware that is not necessarily the case, but that they would have initial velocity.
So in other words, The probability is against them even Remaining here at all.

I'm not a big fan of String theory so I won't comment on that much. I had my fun reading Kaku (Whom I still admire and respect) but in the end, just didn't find myself agreeing with it very much.