I wish him a long, healthy and prosperous life. He's free to say what he wants. Seems to work out pretty well for him.
Rush wants to keep his audience after Nov2016 so he tries to stay above the fray during the primaries. But he often fails and he is failing on what happened with Colorado delegate selections.
I will admit that a few months ago it seemed to me Rush was fair to candidates but tilted towards Trump because Trump was taking it to the the mass media and rendering them irrelevant. Rush loved this boldness. He despised the usual Republican timidity.