HE Garchen Rinpoche will be giving a Yamanataka Empowerment 12-13 April in Arlington, Virginia at 4301 Wilson Blvd (this is in downtown Arlington near the Ballston Metro and is thus accessible from any point in the DC Metro area). Details here and here.
Yes, I was there and so was kirtu. I'm not sure I can answer your questions, but ask away.
Imagine a man who stands before a mirror; a stone strikes it, and it falls to ruin all in an instant. And the man learns that he is himself, and not the mirrored man he had believed himself to be. -- Gene Wolfe