Winning the Senate?

Interesting article here on the American Senate battle. Author Larry Sabato from the University of Virginia notes:
When the American people decide to make a change, they do it. They don't care that the forecasters and the prognosticators say it isn't likely. They find a way to make the change happen, even if--on paper--there aren't enough competitive districts or states to produce a party turnover.
In the House this is what I have said already. Problem is that the Democrats are starting from behind after their loses in 2002 and 2004; it is a similar challenge that Victorian Labor had to overcome to win a Legislative Council majority in 2002. Inclined to agree with Sabato very difficult to win 6 extra seats out of the competetive Senate races.