Nate Silver has already begun trying to cover-his-rear-end about his midterm election prognostication that the Democrats will takeover the House of Representatives by now saying it will happen unless there’s systematic error in the polling, so what systematic error could that be, perhaps oversampling Democrats and refusing to factor the Bradley effect on those who support Trump’s agenda and thereby are voting for the Republican candidates in these midterms but are reticent to say so?
