avrodamo,
I last spoke with the U.S. Embassy in London Friday afternoon. The assistant to the Ambassador was telling me they are getting changes to the rules just about daily now. They are trying to keep up themselves, let alone keep everyone else informed. I was not told about the B-2 requirement (up till now the B-2 was preferred, but Visa Waiver was acceptable.), I will look into it and update my post accordingly.
Thank you for the heads up,
Capt. Richard J. Gentil, Pres.
Naples Air Center, Inc.