Under pressure, the Democrats are cracking.
On both ends of Pennsylvania Avenue, there is a realization that Nancy Pelosi's hold on the speakership is in true jeopardy; that losing control of the Senate is not out of the question; and that time, once the Democrats' best friend, is now their mortal enemy.
Since January, when Scott Brown won Ted Kennedy's Massachusetts Senate seat, the President's party has tried to downplay in public what its pollsters have been saying in private: that Obama's alienation of independents and white voters, along with the enthusiasm gap between the right and the left, means that Republicans are on a trajectory to pick up massive numbers of House and Senate seats, perhaps even to regain control of Congress.
More of this bleak report on the Democrats chances to maintain control after the November mid-terms can be found here.