Jacky Rosen. Jon Tester. Tammy Baldwin. Sherrod Brown. Bob Casey.
John, these are the 5 most vulnerable Democratic Senators in the country.
GOP money is pouring in to boost their right-wing opponents — and the newest polls show these races are tightening. These races could be decided by just a few points.
Losing even one of these seats could cost us the Senate majority, so we need to fight back NOW.