The media is primed to let him get away with it.
But there are three powerful reasons to believe it will happen anyway.
Republicans can't resist a good anti-conservative conspiracy theory.
In defeat, the excuses will fly like gifts from Oprah.
The media's third-party delusion stems from an intentional refusal to grapple with the country's ideological traditions.
After Trump's huge East Coast victories, the Cruz-Kasich pact looks even less likely to work—unless they form a unity ticket.
Yes, Republicans will use them against her in the general. But she'll have more powerful ammunition.
With Trump closing in on the 1,237-delegate threshold, wresting the nomination away will seem underhanded to Republican voters.
And they will disavow every word of it on the first day of the general election.
The attack raises the frightening possibility that Trump could become president by accident.