Since Trump’s entirely predictable sweep of the liberal Republicans in the Eastern primaries, the conservative as well as liberal media under the banner of “Trump the Inevitable” have been endlessly repeating their wishful thinking that Cruz is officially DOA. Which brings to mind the truly hilarious spoof Cruz himself does on YouTube of the epic scene in “The Princess Bride” in which Billy Crystal as Miracle Max declares the Dread Pirate Roberts only “mostly dead.” But the Dread Pirate didn’t have the unpledged Republican Convention delegates, and Cruz just might. If the media clairvoyants who tally up delegate “projections” would...