Democrats are on the brink of a blue tsunami, if the polls are right

A series of new polls suggest things are breaking for Democrats in the battles for the House and Senate, even as experts warn that the polling can be off and a sweep is not set in stone. New York Times/Siena polls released Sunday night showed Democrats ahead in seven Senate battlegrounds, including an 11-point advantage...

A series of new polls suggest things are breaking for Democrats in the battles for the House and Senate, even as experts warn that the polling can be off and a sweep is not set in stone. New York Times/Siena polls released Sunday night showed Democrats ahead in seven Senate battlegrounds, including an 11-point advantage...