I wonder if Rush was an anonymous donor?
Ahhhh. That might be the mystery million! Could also be BOR honestly. He could afford it and has his own organization for charities.
This is funny:
http://www.nytimes.com/interactive/2016/01/28/upshot/donald-trump-twitter-insults.html?_r=0&smid=tw-upshotnyt&smtyp=cur
He said his one 1mm anon donor was a New Yorker. Not Rush.