A Plausible Explanation For tRump's Win

Here’s the Real Reason We All Underrated Trump -- NYMag:

Why did almost everybody fail to predict Donald Trump’s victory in the Republican primaries? Nate Silver blames the news media, disorganized Republican elites, and the surprising appeal of cultural grievance. Nate Cohn lists a number of factors, from the unusually large candidate field to the friendly calendar. Jim Rutenberg thinks journalism strayed too far from good old-fashioned shoe-leather reporting. Justin Wolfers zeroes in on Condorcet’s paradox. Here’s the factor I think everybody missed: The Republican Party turns out to be filled with idiots. Far more of them than anybody expected...