From the November 4 edition of Premiere Radio Networks' The Rush Limbaugh Show:
RUSH LIMBAUGH: Somebody called here and suggested, was talking about the idea Ted Cruz put forth that I moderate a debate, and I said “no, no. If I moderate any debate, it ought to be a Democrat debate.” And that subject came up last night on Special Report with Bret Baier.
[...]
There you go, folks, I have been endorsed as a moderator for an upcoming Democrat debate which is never going to happen. The Democrats will not even do a debate on Fox News.