Rush is hesitant. He has been on the party establishment on free trade, NAFTA, etc. That is part of the attraction for Trump, he ‘represents’ the other side, the Perot and Buchanan side of politics. Part of which Rush has always been against.
Free Traitors™ have been brainwashed by Limbaugh et al. They will never change their minds. The sooner Rushbo hangs up the mic the better for the USA.