What Will Trumpists Do If President Trump Doesn't Keep His Promises?

CALLER: The question is, Rush, you've been analyzing the Trump phenomenon for months -- you know, giving it real full thought -- and just to close the circle, I have a question here.  Assuming Trump becomes the nominee and he wins the general election and things don't go so well on trade or other things he promised, are his supporters gonna keep on cheering him on or are they gonna start bitching and saying, "You know, he's not doing what he said he was gonna do"? The reason why I ask this