[wideawake]

So in 20 days the probability of a GOP takeover went from 11% (August 21) to 66% (September 11)?

[GonzoGOP]

So in 20 days the probability of a GOP takeover went from 11% (August 21) to 66% (September 11)?

Unlike political junkies like most of us here, most people didn't start paying attention to politics until September first. There was a critical 10 seat swing between the dates mentioned as a large number of undecided voters in the tossup races broke GOP.