Pollsters didn't feel very good Wednesday.
What did they miss?
They claim they were within the margin of error.
But most were on the wrong side of the error - over estimating Clinton's strength.
The most important concentration of polling errors was regional: Polls understated Trump’s margin by 4 points or more in a group of Midwestern states that he was expected to mostly lose but mostly won: Iowa, Ohio, Pennsylvania, Michigan, Wisconsin and Minnesota.
Back to the drawing board.