He just meant that the Dems followed Pelosi's strategy to achieve a Dem majority by running moderates (e.g. Jim Webb) instead of true liberals in key states.
As Thomas Sowell wrote Tuesday,
Democrats have learned to avoid admitting to being liberals and this year are running a number of moderate candidates. If these new moderate candidates are elected and give the Democrats control of Congress, that control will be exercised by senior Democrats who will hold leadership positions -- and all of them are liberal extremists, whether people like Nancy Pelosi in the House or Ted Kennedy and John Kerry in the Senate.Getting people to vote for moderates, in order to put extremists in power, may be the newest and biggest voter fraud
It worked in Virginia...
The Dems have a long history of putting up so-called moderates against "R" incumbents. Once elected they always vote left.
This is old hat.