Hi, 3MS. Yes, that's something we found missing on the new site.
I can't speak for administration but I suspect the "Ask Maria" function was deemed subsumed by Facebook.
IMO that would be a mistake. There are quite a few of us who don't use FB & may never--for a variety of good reasons.
Not much chance. Texas, overall, is not really tennis country. Should she ever turn up, like at one of Roddick's deals in Austin or something, believe me I will certainly try to meet her.