Electoral-vote.com, which uses only the most recent poll, today has Sestak losing by ten points and Conway behind by 7. And to be both fair and accurate, Bowers uses a composite of several polls, so tomorrow's version of the chart above will still show Sestak and Conway behind. But the trend is unmistakable:
The odds of Democrats keeping 55 or more seats in the Senate are twice that of Republicans winning the chamber.
I'm guessing you might hear something about this on your teevee machine by next week, perhaps.