Allan Lichtman explains why his election prediction failed

The so-called polling "Nostradamus" said he contacted police after allegedly receiving threats against his life.
Allan Lichtman, the historian who predicted 9 of the 10 last ... future holds for America," Lichtman told USA TODAY ...
"Right now after a very long night I am taking some time off to assess why I was wrong and what the future holds for America.
Allan Lichtman, better known as the "Polling Nostradamus," has been nine for nine in predicting every presidential outcome ...