During the Republican primary, I generally refrained from using the electability argument. Electability is important, but the arguments often seemed to me counterproductive and almost always conveniently supported the candidate of choice of the person making it. John Kasich is the “only one” who can beat Hillary because he is a moderate and will appeal to centrists. Cruz is too conservative. Or Cruz is the “only one” who can beat Hillary because he will fire up the base and bring them to the polls.  Kasich will inspire apathy in voters like Romney did.