>>Amex has since bailed on sponsoring the play<<
There was no way they could hang in there. Most AMEX Platinum carriers (I am one) are conservative. I know I see and chat with them at Centurion Lounges all over the country.
I am willing to bet AMEX Black holders even more so.
I was just getting ready to send them an email when I saw your post.
Or HAVE they????
http://www.theamericanmirror.com/american-express-refuses-pull-funding-nyc-public-theater/