The Republican establishments of Wisconsin, Florida, and Michigan
Republican primary voters
Looking at the early vote as an indicator of the final outcome
Straight-ticket voting (every single Senate race had the presidential and Senate winners be of the same party, something which has literally never happened in any U.S. presidential election since the ratification of the 17th Amendment)
Every single EC-popular vote split in US history ending up in favor of one party
All the Bushes, except George P.
Those idiots who voted for Clinton in the primary. Still can’t understand them at all.
The absolute scum in the press (including Megyn whoever)
Most big Jewish donors
Most academic hacks (Scott Sumner and Scott the psychiatrist included, Caplan not included)
#NeverTrump. Tip to John Kasich: Trump and Romney won the only other county you lost in 2014. Three of the five GOP Senate candidates who denounced Trump hurt GOP turnout so much, they shot both themselves and Trump right in the face in their respective states. The ones who did neither were the 2008 GOP nominee and the Senate’s most conservative member, Mr. Lee. Both were in solid red states.
@baseballcrank (for History is Not on the Democrats’ side in 2016; points off for being #NeverTrump)
@NateSilver538 (for correctly keeping this in mind as a possible scenario; points off for bad calls in states)
@maristpoll (for correctly predicting the popular vote; points off for failing to predict electorate in Nevada)
@mitchellvii (for correctly calling the race; points off for bad popular vote call)
Looking at the primary vote as an indicator of the final outcome
The median voter theorem (cf., IA v. NH primary and general election results this year)