He knows the truth. He knows the wink-wink Rubio plays up on English-second-language networks.
Sure Rush plays footsie with the Cruz fans to keep them on the hook for the bait and switch. Rubio is the chosen candidate, always was, and Rush has to keep the troops properly motivated to that end.
Think is was supposed to be Bush/Rubio but Bush just couldn’t carry the GOPE water. Now it will be Rubio/Bush.